For about 8 hours, the consumption machine in the canteen can be used offline or connected to the Internet. The consumption data can be viewed in real time via TCP connection. If used offline, the data in the consumption machine can be exported through a USB flash drive. ##Xinan rice vending machine—and the consumption machine can support a variety of consumption deduction methods, such as fixed consumption and frequency consumption. , consumption of any amount, etc. @@@ is widely used in canteens, schools, food courts and other places. . .