The certificate of studying is a kind of certificate that students must issue during their study in school, which is used to prove their school identity and learning situation. The certificate includes the basic information of the student, such as name, gender, date of birth, etc. , as well as the school name, grade and study time. The proof of study plays an important role in the process of students applying for various scholarships, participating in various competitions and applying for foreign universities. It can prove students' learning experience and school performance, and provide students with formal proof of academic background.