According to the regulations of the Ministry of Education, undergraduates can take a maximum of two years off during their college years. How did you get out this time? According to the regulations, the undergraduate school time shall not exceed 6 years. If they fail to complete the required credits within 6 years, the school will expel the student. The undergraduate education system is four years, and 6 is reduced by 4, so college students can suspend their studies for up to 2 years.

According to the regulations, college students can't stay in school for more than five years, so they can't take three years off. In fact, like undergraduates, they can only suspend their studies for two years at most.

If you come back from the army and do not meet the requirements of active servicemen, you can only drop out of school within 1-2 years. Simply put, you can skip classes for 1-2 years after you come back as a soldier, and you will be expelled from school after more than 2 years. The timeline of 1-2 years mainly depends on the specific requirements of major universities.