A service transmission method and apparatus are provided. The method includes: a first mobile station acquiring N resource allocation parameter sets from a network device; the first mobile station sending first indication information to the network device, where the first indication information is used to indicate service information about a first service needing to be transmitted by the first mobile station; the first mobile station receiving second indication information sent by the network device, where the second indication information is used to indicate a first target resource; and the first mobile station determining, from the N resource allocation parameter sets, a first resource allocation parameter set adapted to the service information about the first service, and the first mobile station transmitting, according to the first resource allocation parameter set, the first service using the first target resource.