The networking bar code ticket check-in system verifies tickets with three methods: 1. bar code; 2. input of ticket number; and 3. input of date and number of orders, place number. Can realize the function which makes up examines, can demonstrate each number of orders the seat sells the situation, including each seat is the full-price ticket, the half-price ticket, the preferential benefit ticket, the agreement ticket, which booking spot sells and so on the correlation information by, can demonstrate in the number of orders leaks while the travel guest's seat number, to the station situation, and can carry on the transportation amount single printing.