Master's degree is usually 5-6 years. Master's degree and doctor's degree are one of the main ways of postgraduate study in China, and the other two are master's degree and direct doctor's degree. Postgraduates generally apply for a doctorate in the second year. If you don't choose to transfer to Ph.D., you will graduate in the third year. If you apply for a PhD, you need to pass the defense and then continue your study for 3-4 years, a total of 5-6 years. As for the specific graduation period, it depends on whether the students' grades, papers and grades meet the graduation requirements.