The commissary supply station is the organization responsible for organizing the food supply of the troops. The food supply department, usually located in the military station, is responsible for meeting the daily food needs of the garrison. The grain supply station is responsible for the management and distribution of grain at ordinary times, ensuring the sufficient and orderly grain supply of the troops. In wartime, according to the actual situation, the military grain supply station can expand its scale or add supply points to meet the grain demand of the troops in battle. Generally speaking, the commissary supply station belongs to the specialized agency of the army.