First, the age is not enough. Although he is a junior college student, his age can't meet the requirements of pre-recruitment age;
Second: overage. College students who are over the age limit for conscription are naturally not in the scope of pre-recruitment.
Third, the issue of academic qualifications. In some places, due to the large number of college students or graduates in the recruitment process, the number of places has exceeded the number of pre-recruits. In this case, college students are given priority, and the quota is full, even college students can't be used as a pre-recruitment. For example, 202 1, the number of pre-recruitment places in a county is 125, and the number of recruits only reaches 185. In this case, let alone college students, some freshmen and sophomores have no pre-enrollment.