[Object ] Provides a method for controlling service priority in radio communication network capable of performing priority control to plural services based on a priority specified by mainly a subscriber. [Means to Achieve the Object ] A method for controlling service priority among plural services in a radio communication network capable of providing plural services to a terminal unit of subscriber at the same time, comprising the steps of: requesting to a radio control apparatus for a service by the terminal unit; and assigning a radio band to the service by the radio control apparatus; and wherein, if the radio band falls insufficient in the step of assigning the radio band, the radio control apparatus performs the priority control to plural services consisting of adjusting the radio band to be assigned to each service based on a predetermined standard.