According to the inquiry of Tuhua Education, the reason may be that the political review at the back failed.

Selected Graduates's political review failed: 1, spreading inappropriate remarks, organizing or participating in activities aimed at opposing the country, such as assembly, procession and demonstration; Organize or participate in illegal organizations, organize or participate in strikes;

2. Being expelled from public office, party membership, student status or being expelled from party and government organs and institutions;

3. There are serious frauds in the national statutory examinations;

4. Serious violation of professional ethics, social morality and family virtues;

5. Having received criminal punishment, but not administrative punishment, which is inconsistent with the Party's line, principles, policies and national laws;

6, lineal blood relatives or collateral blood relatives who have a great influence on me are engaged in activities that endanger China's national security abroad;

7. Providing false materials and avoiding the application;

8, there are violations of discipline, illegal and criminal acts, the behavior of being punished in school.