With the development of society to the 3G times, A typical representative of its embedded products have been everywhere. Food and beverage industry as an enormous market, its no doubt to open up space for wireless ordering system will be widely used. Bluetooth as a representative technology of the field of wireless communications, have been more and nore widely applied. This article will elaborate the specific implementation of Bluetooth conmmunications in Meal Ordering System, to implant the terminal interface design in combination with the Qt technology in embedded GUI.