6- 12 months. In addition to the punishment of expulsion from school, the university has set a time limit of 6 to 12 months for the punishment of students, which will be terminated upon expiration. After the punishment is lifted, the students are commended, rewarded and other rights and interests, and are not affected by the original punishment. Generally, the time limit for giving students a warning or a serious warning is 6 months, and the time limit for giving students a demerit and staying in school for observation is 12 months, which is terminated according to the procedures stipulated by the school.