A wireless personal area network access method, comprising: broadcasting, by a coordinator, a beacon frame comprising information on whether the coordinator requires an authentication and also comprising suites of authentication and key management supported by the coordinator when there is an authentication requirement of a device; and receiving, by the device, the beacon frame, and upon determining that the coordinator requires the authentication, performing the authentication between the coordinator and the device in an authentication method corresponding to one of the suites of authentication and key management, and performing directly association between the coordinator and the device or performing firstly session key negotiation and then association between the coordinator and the device in response to an authentication result, wherein performing directly association between the coordinator and the device or perform firstly session key negotiation and then association between the coordinator and the device in response to the authentication result comprises: when the authentication result is generation of a session key, performing directly secured association between the coordinator and the device using the session key; and when the authentication result is generation of a master key, determining a session key negotiation method, performing session key negotiation using the master key, and performing secured association between the coordinator and the device using a session key resulting from negotiation. broadcasting, by a coordinator, a beacon frame comprising information on whether the coordinator requires an authentication and also comprising suites of authentication and key management supported by the coordinator when there is an authentication requirement of a device; and receiving, by the device, the beacon frame, and upon determining that the coordinator requires the authentication, performing the authentication between the coordinator and the device in an authentication method corresponding to one of the suites of authentication and key management, and performing directly association between the coordinator and the device or performing firstly session key negotiation and then association between the coordinator and the device in response to an authentication result, wherein performing directly association between the coordinator and the device or perform firstly session key negotiation and then association between the coordinator and the device in response to the authentication result comprises: when the authentication result is generation of a session key, performing directly secured association between the coordinator and the device using the session key; and when the authentication result is generation of a master key, determining a session key negotiation method, performing session key negotiation using the master key, and performing secured association between the coordinator and the device using a session key resulting from negotiation. when the authentication result is generation of a session key, performing directly secured association between the coordinator and the device using the session key; and when the authentication result is generation of a master key, determining a session key negotiation method, performing session key negotiation using the master key, and performing secured association between the coordinator and the device using a session key resulting from negotiation.