China's Ministry of National Defense issued regulations that the time for college students to join the army is divided into the first half and the second half. In the first half of the year, conscription began in mid-February and ended at the end of March, and the time for recruits to join the army was March1; In the second half of the year, conscription began in mid-August and ended at the end of September, and the time for new recruits to join the army was September 1.