The invention discloses a terminal grouping method. Based on an activated first terminal, when a second terminal receives a grouping instruction from a user, an initial grouping file is generated according to the self activated state, the initial grouping file is sent to the first terminal, and after a grouping activating file returned by the first terminal is received, a grouping activating request is sent to an authentication server according to the grouping activating file, and according to a verification result returned by the authentication server, access authentication data are updated or grouping operation is ended. According to the activated terminal, grouping of other terminals is set, the operation process is simplified on the basis of ensuring safety and reliability of the transmitted data, and the device working efficiency is greatly improved.