A home NodeB access point access method for achieving share of the home NodeB access point, comprising: during initialization, the home NodeB access point selecting a home NodeB gateway connected to one of core networks which the home NodeB access point has right to access as a serving home NodeB gateway (604, 611); the home NodeB access point registering in the serving home NodeB gateway, registering user information with the serving home NodeB gateway after receiving a non-access layer message sent from a user equipment (902, 906), and forwarding the non-access layer message to the serving home NodeB gateway; and the serving home NodeB gateway forwarding the non-access layer message to a core network corresponding to a network access identifier of the user equipment according to the network access identifier of the user equipment after receiving the non-access layer message; and the core network interacting with the user equipment to complete access of the user equipment; characterised in that, the step of the home NodeB access point selecting the serving home NodeB gateway comprises (604, 611): the home NodeB access point sending a TR069 information request message containing share information to a Femto management server FMS (602, 609), the share information containing network access identifiers of the core networks which the home NodeB access point has right to access; after receiving the TR069 information request message, the FMS selecting home NodeB gateways connected to the core networks which the home NodeB access point has right to access according to the share information and sending a TR069 setting parameter request message containing a list of the selected home NodeB gateways to the home NodeB access point (605, 612); and after receiving the TR069 setting parameter request message, the home NodeB access point selecting a home NodeB gateway from the contained list of home NodeB gateways as the serving home NodeB gateway (606, 613). during initialization, the home NodeB access point selecting a home NodeB gateway connected to one of core networks which the home NodeB access point has right to access as a serving home NodeB gateway (604, 611); the home NodeB access point registering in the serving home NodeB gateway, registering user information with the serving home NodeB gateway after receiving a non-access layer message sent from a user equipment (902, 906), and forwarding the non-access layer message to the serving home NodeB gateway; and the serving home NodeB gateway forwarding the non-access layer message to a core network corresponding to a network access identifier of the user equipment according to the network access identifier of the user equipment after receiving the non-access layer message; and the core network interacting with the user equipment to complete access of the user equipment; the home NodeB access point sending a TR069 information request message containing share information to a Femto management server FMS (602, 609), the share information containing network access identifiers of the core networks which the home NodeB access point has right to access; after receiving the TR069 information request message, the FMS selecting home NodeB gateways connected to the core networks which the home NodeB access point has right to access according to the share information and sending a TR069 setting parameter request message containing a list of the selected home NodeB gateways to the home NodeB access point (605, 612); and after receiving the TR069 setting parameter request message, the home NodeB access point selecting a home NodeB gateway from the contained list of home NodeB gateways as the serving home NodeB gateway (606, 613).