A method and an apparatus for indicating a type of a PSP-ID are provided. The method includes: generating a system message by an access device, wherein the system message includes multiple PSP-IDs, PSP-IDs of a same type among the multiple PSP-IDs are sequentially arranged, and different types of PSP-IDs among the multiple PSP-IDs are arranged according to a preset sequential order, and the system message further includes indication information for each type of PSP-IDs, and the indication information is used for indicating a location of each type of PSP-IDs; and transmitting the system message by the access device.