Disclosed is an authorization control method of convenient food and a digital menu. A database stores digital menu information, convenient food specification information, digital menu instantiation information and convenient food product information. The convenient food product information and digital menu instantiation information in the database are processed so as to generate convenient food product information unit and digital menu instantiation information unit. By creating the convenient food product information and the digital menu instantiation information, the invention can manage the usage authorization of the convenient food specification information and the digital menu information, while simultaneously associating the convenient food product information and the digital menu instantiation information, thus increasing the convenience in using convenient food.