📚 UK Student Visa Document Guide | 英国学生签证申请材料指南
Applying for a UK Student visa, previously known as Tier 4, requires careful preparation of a complete set of supporting documents. Missing even one essential paper can lead to delays or refusal. This guide walks you through every document you need, from passport and CAS to financial evidence and TB certificates, helping you submit a strong application with confidence.
申请英国学生签证（原Tier 4签证）需要精心准备一整套支持文件。遗漏任何一份关键材料都可能导致延误或拒签。本指南将带你逐一梳理必备文件，从护照、CAS到资金证明和肺结核检测证明，帮助你自信地递交一份完整的申请。
1. Overview of UK Student Visa Types | 英国学生签证类型概览
A Student visa is for international students aged 16 or over who have been offered a place on a course. If you are under 18 and studying at an independent school, you may need a Child Student visa. Under the Student route, both further and higher education courses are covered, and you can apply up to six months before your course starts if you are outside the UK, or three months before if you are inside the UK.
学生签证适用于年满16岁且已获得课程录取的国际学生。如果你未满18岁并在私立学校就读，可能需要儿童学生签证。在Student路线下，覆盖了继续教育和高等教育课程。如果你在英国境外，最早可在课程开始前6个月申请；在英国境内则是3个月前。
2. Passport and Travel History | 护照及旅行记录
A valid passport is the most fundamental document. It must have at least one blank page for the visa vignette. If you have previously travelled to the UK or other countries, include all old passports showing travel history. The UK Visas and Immigration (UKVI) needs to verify your identity and immigration past, so supply clear copies of any previous visas and entry stamps if required. Ensure your passport is valid for the entire duration of your intended stay.
有效护照是最基本的文件，必须至少留有一个空白页用于粘贴签证贴纸。如果你之前去过英国或其他国家，需要提供显示旅行记录的旧护照。英国签证与移民局需要核实你的身份和出入境历史，因此如有要求，应提供以往签证和入境章的清晰复印件。确保护照在你计划停留的整个期间内有效。
3. Confirmation of Acceptance for Studies (CAS) | 入学确认函（CAS）
The CAS is an electronic document issued by your licensed sponsor institution. It contains a unique reference number that you must enter on your visa application form. The CAS also lists your course details, tuition fees already paid, and any English language assessments the sponsor has used. You must only use a CAS assigned by a Home Office-registered sponsor. Print the CAS statement or keep a clear digital copy, as the entry clearance officer will check its validity online.
CAS是持牌担保机构签发的电子文件，内含一个独一无二的参考编号，你必须填入签证申请表。CAS还会列出课程详情、已支付的学费以及担保方所作的英语语言评估。你只能使用由内政部注册担保方签发的CAS。请打印CAS信或保留清晰的电子版，因为入境官员将在线核查其有效性。
4. Financial Evidence | 资金证明
You must demonstrate that you have enough money to pay for your course fees and living costs. The maintenance requirement depends on your study location: £1,334 per month for courses in London (up to nine months) and £1,023 per month for courses outside London. The money must be held in a bank or building society account in your name, or in a parent’s name with additional documents.
你必须证明有足够资金支付学费和生活费。生活保证金要求取决于就学地点：伦敦地区课程每月需1,334英镑（最多九个月），伦敦以外地区每月1,023英镑。资金必须存放于你名下的银行账户或建屋互助会账户，或以父母名义存放时需提供额外文件。
The funds must be maintained for at least 28 consecutive days, ending no more than 31 days before the date of your visa application. Acceptable documents include personal bank statements, building society passbook copies, or a letter from your bank confirming the balance. If you use a parent’s account, you must also submit your birth certificate and a letter of parental consent confirming the relationship and permission to use the funds.
资金必须连续存满至少28天，且银行账单日期不得早于签证申请递交日期的前31天。可接受的文件包括个人银行对账单、建屋互助会存折副本或银行出具的余额确认函。如果使用父母账户，还需提交你的出生证明以及父母同意函，确认亲属关系并允许动用于资金。
Some students may be exempt from showing financial evidence under the differential evidence requirement if their sponsor has a track record of compliance and they are applying in a specified country. However, always check the latest Home Office guidance, as exemptions can change.
一些学生在差异化证据要求下可能免于提供资金证明，前提是其担保机构拥有合规记录并在指定国家申请。但请随时查阅内政部最新指南，因为豁免政策可能发生变化。
5. English Language Proficiency Evidence | 英语语言能力证明
Your CAS will state how the sponsor assessed your English language ability. You may need to provide a Secure English Language Test (SELT) certificate from an approved provider, such as IELTS for UKVI, with the required scores in all four components. Alternatively, if you have a GCSE, A level, or degree taught in English, or are from a majority English-speaking country, you may not need to send a test report.
你的CAS会说明担保方如何评估你的英语水平。你可能需要提供经批准的SELT（安全英语语言测试）证书，比如用于英国签证的雅思成绩，且听说读写四项均达到要求分数。或者，如果你有全英语授课的GCSE、A Level或学位，或来自多数英语为母语的国家，也许无需提交考试成绩单。
Always confirm the specific level your course requires (usually CEFR B2 for degree-level study). The test must be on the Home Office’s approved list and the certificate must be valid—most SELT certificates are valid for two years for visa purposes.
务必确认你课程要求的特定水平（学位课程通常要求CEFR B2）。所参加的测试必须在英国内政部批准的清单上，且证书有效——多数SELT证书用于签证申请时有效期为两年。
6. Tuberculosis (TB) Test Certificate | 肺结核检测证明
If you are coming to the UK for more than six months and are a resident of a country listed in the UKVI TB testing requirements, you must provide a valid TB test certificate from an approved clinic. The test includes a chest X-ray and must be clear of active pulmonary TB. The certificate is valid for six months from the date of your X‑ray and must be submitted with your application.
如果你将在英国停留超过6个月，且来自英国签证与移民局列出的肺结核检测要求国家，则必须提供由指定诊所出具的有效肺结核检测证明。检测包括胸部X光且必须显示无活动性肺结核。该证明自X光检查之日起6个月内有效，必须在申请时提交。
If you have previously had TB, the clinic may require additional sputum tests, and the certificate’s validity may differ. If you are applying from a country where TB testing is not required, you do not need this certificate.
如果你曾患过肺结核，诊所可能要求进行额外的痰液检测，证书有效期也可能不同。如果你在不需要肺结核检测的国家申请，则无需提供此证明。
7. Academic Technology Approval Scheme (ATAS) Certificate | 学术技术审核计划（ATAS）证书
If your course involves certain sensitive subjects at postgraduate level, or some undergraduate courses leading to a postgraduate qualification, you will need an ATAS certificate. Your CAS should indicate whether ATAS applies. You must apply for ATAS online, receive clearance before applying for the visa, and include the printed certificate with your documents. Processing can take several weeks, so apply early.
如果你的课程涉及研究生阶段的某些敏感科目，或一些通向研究生资格的本科课程，你将需要ATAS证书。你的CAS会注明是否需要ATAS。你必须在网上申请ATAS，获得审批后再申请签证，并将打印的证书随材料提交。审批可能需要数周，请提早申请。
8. Passport-sized Photographs | 护照尺寸照片
If you are applying from outside the UK and attending a visa application centre that does not capture digital biometrics on‑site, you may need to submit two recent colour passport photographs. They must meet the UKVI photo guidelines: 45 mm × 35 mm, plain light background, no sunglasses or tinted glasses, and a neutral expression. Check the specific requirements of your application centre.
如果你在英国境外申请，且签证中心不现场采集数字生物特征，可能需要提交两张近期彩色护照照片。照片必须符合UKVI的规定：45毫米×35毫米，浅色纯色背景，面部清晰，不得佩戴太阳镜或有色眼镜，表情中性。请查看你提交申请的签证中心具体要求。
9. Application Form and Immigration Health Surcharge | 申请表格与移民医疗附加费
Complete the online application form (form for outside the UK, or inside the UK) accurately. You will be asked about your personal details, travel history, course information, and sponsor licence number. Pay the visa application fee and the Immigration Health Surcharge (IHS) as part of the online process. The IHS entitles you to use the National Health Service (NHS) and costs £470 per year for students, with a discounted rate for Youth Mobility Scheme but not for Student route; always verify the current IHS rate.
准确填写在线申请表（英国境外或境内表格有所区别）。系统会要求你提供个人信息、旅行记录、课程详情和担保方许可证号。在线申请过程中需要支付签证申请费和移民医疗附加费（IHS）。支付IHS后你便有权使用全民医疗服务（NHS），学生每年费用为470英镑（仅学生路线为折扣价，但需核实当前费率）。
After submitting the form, you will be directed to book a biometrics appointment at a visa application centre. Bring your appointment confirmation and document checklist.
提交表格后，你将被引导预约签证中心的生物特征采集。请携带预约确认函和材料清单。
10. Consent Letters and Relationship Evidence (for Under 18s) | 监护人同意函及关系证明（适用于未满18岁申请者）
If you will be under 18 on the date of your application, you must provide additional documents. This includes a signed letter of consent from both parents or legal guardians, confirming they support your application, your travel to the UK, and your living arrangements. You also need a certified copy of your birth certificate to prove the relationship.
如果你在申请当日未满18岁，必须提供额外文件。包括父母双方或法定监护人签署的同意函，确认他们支持你的申请、前往英国以及你的住宿安排。你还需要提供经认证的出生证明副本以证明亲属关系。
If one parent has sole custody, provide evidence such as a court order. The consent letter must include full names, passport numbers, and contact details of the signatories. Furthermore, your sponsor must notify the Home Office of the suitable care arrangements for your stay in the UK if you are not living with a parent or a close relative.
如果一方父母拥有单独监护权，需提供法院判决等证据。同意函必须包含签署人的全名、护照号码及联系方式。此外，如果你不与父母或近亲同住，担保方必须向英国内政部通报你在英期间的合适照顾安排。
11. Additional Supporting Documents | 其他辅助文件
Depending on your circumstances, you may need extra evidence. If you have been financially sponsored by a government or international scholarship agency, provide the original scholarship letter detailing the full awards covering all costs. If you have previously studied in the UK, include previous CAS statements, enrolment letters, or qualifications earned to demonstrate your academic progression. Any documents that are not in English or Welsh must be accompanied by a certified translation.
视个人情况，你可能需要额外证据。如果你受政府或国际奖学金机构资助，提供详细说明全额奖学金的原始奖学金信。如果你之前曾在英国学习，提供以往CAS、注册信或所获资格证书以证明学业进展。任何非英语或威尔士语文件必须配有经认证的翻译件。
If you have a gap in your education, you might need to explain the reason in a cover letter. A cover letter is not mandatory but can be very helpful for clarifying complex situations, especially when the document checklist seems ambiguous.
如果你的教育经历存在空档，可能需要在附信中解释原因。附信虽非强制要求，但在澄清复杂情况时非常有用，尤其是在材料清单出现歧义时。
12. Final Document Checklist and Submission Tips | 最终材料清单与递交提示
Before attending your biometrics appointment, create a physical folder with all original documents, photocopies, and a translation set if needed. Use the self-service document upload on the UKVCAS or commercial partner website where possible, or pay for scanning assistance at the centre. Organise documents in the order suggested by the checklist generated from your online form.
在参加生物特征采集前，准备一个实体文件夹，装入所有原件、复印件及翻译件（如需要）。尽可能使用UKVCAS或合作网站的自助文件上传功能，或在中心支付扫描辅助费用。按照在线表格生成的清单顺序整理文件。
A final safety check: check every date, certificate expiry, and that your bank balance never dips below the required amount for the full 28‑day period. Submit your application well before the course start date. If applying from outside the UK, you can generally apply up to six months before. At the appointment, you will provide fingerprints and a photograph. Keep your mail receipts and track your application online.
最后安全检查：核对每个日期、证书有效期，并确保银行余额在完整的28天期内从未低于要求金额。尽早递交申请。如果从英国境外申请，一般最早可提前6个月申请。在预约时你将提供指纹和照片。妥善保管邮寄回执并在线跟踪申请状态。
Remember that visa rules can be updated. Always consult the official GOV.UK website or a regulated immigration adviser for the latest version of document requirements.
请记住签证规则可能会更新。务必查阅官方GOV.UK网站或咨询受监管的移民顾问，以获取最新版文件要求。
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