Abstract: A service transmitting method of mobile multimedia broadcasting network, wherein the sending side of the mobile multimedia broadcasting system adds an updating indication of multiplexing configuration information in the service information slice for indicating whether multiplexing configuration information of a next frame is updated; the sending side firstly sends multiplexing configuration information to the receiving terminal and sends an updating indication of multiplexing configuration information to the terminal in advance; the terminal acquires the service needed according to the multiplexing configuration information received at the beginning and monitors whether the multiplexing configuration information is going to change by monitoring the updating indication, the terminal stops monitoring and records the updating indication in case monitors an updating indication; when needing to receive other services, the terminal inquires whether any updating notice is recorded, if it is recorded, the terminal re