Society in any industry if there is no auxiliary of the information technology cannot continue to grow profit, the study restaurant management system(RMS) for the investigation and analysis of functional, starting from the point of view of the functional evolution of restaurant management system to analyze the functions of the various stages of evolution, divided into four dimensions (customer, waiter, kitchen, counter) to analyze the functional evolution of the various stages of discussion and for the weak functional evolution of the four dimensions “kitchen” comprehensive whole out of the current kitchen restrictions on the order management and inadequacies, and architected prototype of the optimization order management system(OOMS).