PURPOSE : A cyber restaurant system and method using restaurant cultivating/managing simulation in the network is provided to offer agape impression of cultivation through a main character and the restaurant cultivating/managing simulation in the network, help the first industry make profit through a restaurant gift certificate, and maximize the profit of an offline festival through a cyber food marketplace linking the online and the offline.CONSTITUTION : A data encryption/transfer program protects data transfer between a main server and a client. A real-time location information program provides location information of the main character and an NPC(Non Player Character) to a monitor screen of the client. A login program allows connection of a user. A billing program registers, updates, and removes the main character, a restaurant, and food material used by the user. A cyber real estate program registers, updates, and removes a land and the restaurant resided or established by the main character. A level cultivation program is based on food technologies of the main character. A database operation script makes the NPC determine a food price. A cyber money filling system fills cyber money to use online contents.? KIPO 2006