A method of paging and Late-Entry of a terminal after a group call is established, comprising the following steps of: (a) a base station checking a load condition of a paging channel after a group call, which is limited by a dispatching area, is established, and if a load of the paging channel is smaller than a preset threshold, step (b) being performed, otherwise step (c) being performed; and (b) the base station sending a paging message carrying a channel resource of the group call; and the terminal, after receiving said paging message, judging whether the terminal matches with a group identifier address of the paging message, and if the terminal matches with the group identifier address of the paging message, directly establishing a corresponding channel according to the channel resource in the paging message and realizing communication with the base station; or (c) the base station sending a paging message not carrying a channel resource of the group call, and the terminal, after receiving said paging message, judging whether the terminal matches with a group identifier address of the paging message, and if the terminal matches with the group identifier address of the paging message, the terminal returning a paging response message of the group call; then the base station sending a paging message carrying the channel resource of the group call to the terminal after receiving the paging response message from the terminal, and the terminal establishing a corresponding channel according to the channel resource in the paging message and realizing communication with the base station; wherein, the Late-Entry of the terminal includes the terminal switching from power off to power on in the dispatching area, and from a non-dispatching area to the dispatching area, and the re-accesses of the terminals due to an abnormal call drop, wherein, in order to realize the late-entry of the terminal the base station non-periodically or periodically resends the paging message. (a) a base station checking a load condition of a paging channel after a group call, which is limited by a dispatching area, is established, and if a load of the paging channel is smaller than a preset threshold, step (b) being performed, otherwise step (c) being performed; and (b) the base station sending a paging message carrying a channel resource of the group call; and the terminal, after receiving said paging message, judging whether the terminal matches with a group identifier address of the paging message, and if the terminal matches with the group identifier address of the paging message, directly establishing a corresponding channel according to the channel resource in the paging message and realizing communication with the base station; or (c) the base station sending a paging message not carrying a channel resource of the group call, and the terminal, after receiving said paging message, judging whether the terminal matches with a group identifier address of the paging message, and if the terminal matches with the group identifier address of the paging message, the terminal returning a paging response message of the group call; then the base station sending a paging message carrying the channel resource of the group call to the terminal after receiving the paging response message from the terminal, and the terminal establishing a corresponding channel according to the channel resource in the paging message and realizing communication with the base station;