A paging message transmission method, a base station, a mobility management entity, and user equipment are provided. One method may include: receiving, by a base station, a first paging message sent by a mobility management entity MME, where the first paging message includes coverage enhancement information of user equipment UE to be paged by using the first paging message; and sending, by the base station, a second paging message to the UE according to the coverage enhancement information of the UE.