A service execution method, wherein the method is applied to radio equipment, RE, and the method comprises: sending, by the RE, a baseband resource status to a radio equipment controller, REC; receiving, by the RE, a first baseband configuration and a first division solution from the REC, characterized in that the first division solution determines which functions are processed by the REC and which functions are processed by the RE and comprises at least a correspondence between a target to be involved in the function division and a division manner, wherein the target to be involved in function division is indicated by a target type and a target identifier that are of the target, whereby the target includes one of a cell, a user, and a bearer; performing, by the RE, a service procedure based on the first baseband configuration and the first division solution; wherein, the performing, by the RE, a service procedure based on the first baseband configuration and the first division solution comprises: determining, by the RE based on the target type and the target identifier, a division manner corresponding to the target, and performing the service procedure based on the division manner corresponding to the target; receiving, by the RE, a first signal from a terminal, and performing radio frequency RF processing on the first signal to obtain service data; and either performing, by the RE based on the first baseband configuration and the first division solution, a part of baseband processing on service data obtained after the RF processing on the first signal, and sending first service data obtained after the part of the baseband processing to the REC; or directly sending, by the RE based on the first division solution, service data obtained after the RF processing to the REC as the first service data. sending, by the RE, a baseband resource status to a radio equipment controller, REC; receiving, by the RE, a first baseband configuration and a first division solution from the REC, characterized in that the first division solution determines which functions are processed by the REC and which functions are processed by the RE and comprises at least a correspondence between a target to be involved in the function division and a division manner, wherein the target to be involved in function division is indicated by a target type and a target identifier that are of the target, whereby the target includes one of a cell, a user, and a bearer; performing, by the RE, a service procedure based on the first baseband configuration and the first division solution; wherein, the performing, by the RE, a service procedure based on the first baseband configuration and the first division solution comprises: determining, by the RE based on the target type and the target identifier, a division manner corresponding to the target, and performing the service procedure based on the division manner corresponding to the target; receiving, by the RE, a first signal from a terminal, and performing radio frequency RF processing on the first signal to obtain service data; and either performing, by the RE based on the first baseband configuration and the first division solution, a part of baseband processing on service data obtained after the RF processing on the first signal, and sending first service data obtained after the part of the baseband processing to the REC; or directly sending, by the RE based on the first division solution, service data obtained after the RF processing to the REC as the first service data. determining, by the RE based on the target type and the target identifier, a division manner corresponding to the target, and performing the service procedure based on the division manner corresponding to the target; receiving, by the RE, a first signal from a terminal, and performing radio frequency RF processing on the first signal to obtain service data; and either performing, by the RE based on the first baseband configuration and the first division solution, a part of baseband processing on service data obtained after the RF processing on the first signal, and sending first service data obtained after the part of the baseband processing to the REC; or directly sending, by the RE based on the first division solution, service data obtained after the RF processing to the REC as the first service data.