if the documents are entered by computer, it is mainly to check whether the types, quantities and weights of computer documents are the same as those of manual orders and kitchen dishes, so as to prevent the computer from entering fewer orders or kitchen dishes. At the same time, it is necessary to check whether the daily inventory of drinks, cigarettes, paper towels, etc. provided by the cashier is consistent with the quantity sold that day. If the documents are not entered by computer, we can only check whether the original documents are consistent with the kitchen menu.