Diplomas are generally issued by community colleges and professional colleges, with a schooling period of 2-3 years. After graduation, students can transfer some credits to other regular universities for further study, or continue to study for postgraduate diplomas in colleges and universities.

Bachelor degree certificate. Generally, it is awarded by a university or university college for 3-4 years, and you can get a general bachelor's degree or an honorary bachelor's degree (honor8 1y degree). The study time of honorary bachelor's degree is usually longer than that of ordinary bachelor's degree, and the study content includes scientific research elements, and the course credits are also different from ordinary bachelor's degree. In the certificate, whether the degree obtained by students is a bachelor's degree or an honorary bachelor's degree is invited for bidding.

Master's degree certificate, generally 2-4 years, the length of time depends on the number of courses studied and whether there are paper requirements. Generally, a master of arts or a master of science takes a long time, and usually you have to write a thesis and defend it before you can get a degree, while a professional master takes a short time, such as a master of computer and business, which is usually about one and a half years.

Doctor of philosophy degree certificate, generally ranging from 3 to 5 years. General research work is led by tutors, and students in individual disciplines will also take some related courses, but mainly do papers. Finally, the thesis obtained a degree through defense.