How to contact a Potential Sponsoring Professor/Department
1. 申请信邮件 发 给某一个具体的目标教授，千万别群发多个教授或抄送。
Address each email to a specific person. Personalize each email with the name and information of the potential sponsor. Departments may delete the email if they see it is a bulk email (one email set to all prospective sponsors). A personal email is more effective.
2. 自我介绍&表述写信的主要目的： 叙述您的背景经历和成就;找导师sponsor的动机，该导师怎样能帮助您，您的资助情况(自费还是公费，已经获得资助还是准备申请资助...)，访学时间，等等。
Introduction and Summary. Introduce yourself and summarize the main points of your request. Describe your background and accomplishments, why you are seeking sponsorship, how being a sponsor will benefit them, your funding situation, the dates of your requested program, and what you are requesting (sponsorship for the U.S. visa). Include the dates of any deadlines. Keep the introduction email short, but attach a link to your website, social media, or research publications so the potential sponsor can easily access your information.
3. 申请信要充分展示您的研究方向和对方教授的研究方向是匹配的(教授的研究方向可能有很多个，ta至少其中有一个研究方向和您是匹配的)Demonstrate the fit between your research field and the professor's research interest
4. 阐述学习/研 究 计划和研究目的
Outline your basic learning plan or research goals. State what you plan to do, how your research aligns with theirs, and if you are flexible to changing your learning plan. You may want to include information if you would like to enroll in English courses, attend conferences, or require an office space. Be flexible as departments may be limited on funding, space, and projects.
5. 申请邮件上附上您的简历，为了帮对方 教授更深入了解您
Attach your Resume or Curriculum Vitae. These documents will be required as part of the application and give your sponsor a better understanding of your background and experience.
6. 有没有在美 国生活、学习经历
Past or current stays in the United States. If you are currently in the U.S. or have been in the U.S. in the past to do academic work (student, visiting scholar or employee) include information about your activities and the type of U.S. visa you had. If you secure a sponsor, be prepared to send copies of your immigration documents (passport, U.S. visa stamp, DS-2019 or I-20, I-94, or Employment Authorization Document) to clarify your immigration status, employment eligibility, and visa type.
7. 尽量使您的申请信简介明了 (其他附属问题，如：带不带家属去访学，需要的签证类型，等等，可以放到后面跟学校沟通的过程中再提)
Keep your request clear. Questions relating to visa type, bringing dependents (spouse or child), orientation information, or other general questions can be addressed later or during the application phase unless essential in your request.
感谢教授阅读您的申请信 Thank your sponsor for taking the time to read through your email and consider your request.
发申请信之前好好检查，如英语表达是否顺畅、是否附上了简历，等等。Read and re-read your email before sending! Make sure all documents are attached, readable in English, and that your request is understandable.
Send your request! Have confidence in your request and if you don't succeed the first time, then just try again. If you receive a denial, ask if the sponsor has any suggestions or other departments or contacts at the university.