The invention discloses a method for guiding the activation of a packet data protocol, which comprises determining whether the packet data protocol is activated, and analyzing the name information of the service access point causing the activation failure of the packet data protocol; introducing the name reason information of the service access point causing the activation failure of the packet data protocol and accurately setting the associated database of the guide information of the name of the service access point; inquiring the associated database according to the analyzed reason to obtain the guide information for guiding the user to accurately set the name of the service access point; and transmitting the guide information for guiding the user to accurately set the name of the service access point to a user side. Meanwhile, the invention also discloses a universal grouped wireless service system .