Legal analysis: college students can't stay in the army directly after they leave the army. But after you leave the army, you can go back to your old school to continue your studies. After college students join the army, there is no problem of direct discharge; There is no problem for college students to stay in the army after they leave the army.

Legal basis: Article 20 of the Military Service Law of People's Republic of China (PRC). After the expiration of active service, conscripts can be changed into non-commissioned officers at their own initiative and with the approval of units at or above the regimental level according to the needs of the army. According to the needs of the army, non-commissioned officers can be recruited directly from citizens with professional skills in non-military departments.

Non-commissioned officers take active service and implement a graded service system. The term of active service for non-commissioned officers is generally not more than 30 years, and the age is not more than 55 years.

Measures for the graded service of non-commissioned officers and the direct recruitment of non-commissioned officers from non-military departments shall be formulated by the State Council and the Central Military Commission (CMC).