Good Food & Hospitality Management System contains some important information of the hotel such as hotel information＼customer relationship＼SMS center＼front desk cashier＼food and beverage reservation＼kitchen management＼printing monitoring＼wireless listening＼data center＼warehouse management＼housekeeping management＼bathroom management＼reporting center etc., so it may be set up with some exclusive limitations, which is not a big problem, and secondly, if there is no limitation, it should be a problem of the network. Secondly, if there is no restriction, it should be the problem of network, the network running speed is stuck, which leads to the hotel management system can not be opened.