Legal analysis: The time stipulated in different regions is different, which is generally organized and implemented by the local armed forces department. General pre-job education and training can not be less than seven days, all localities take root; Start organizing pre-job education and training according to your actual situation, and adjust your training time appropriately on the premise of not less than seven days.

Legal basis: People's Republic of China (PRC) Military Service Law.

Article 19 The term of active service for conscripts shall be two years.

Article 20 Upon the expiration of active service, a conscript may, according to the needs of the army, be changed to a non-commissioned officer on his own initiative and with the approval of a unit at or above the regimental level. 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).