The invention provides a method for importing group members. The method comprises the following steps: the server of a first group organization receives the join message of a second group organization, and the join message of the second group organization comprises identification numbers of the first group organization and the second group organization; the join message of the second group organization is authenticated, if the authentication succeeds, the group member information of the second group organization which passes the authentication can be acquired according to the identification number of the second group organization; a server corresponding to the first group organization stores the group number information of the second group organization to the first group organization according to the identification number of the first group organization. By the method, the mode of one-by-one application/invitation, one-by-one approval and one-by-one import in the prior art can be avoided, a large number of group members can be imported quickly, thereby improving the work efficiency of group member import.