A system and method for implementing capability exposure and a Capability Exposure Platform (CEP) are provided. the method includes: the CEP receive a user capability updating service request of User Equipment (UE), and determines whether to initiate network capability updating service for a user or not according to subscription information of the user and current network capability information; a corresponding user capability updating parameter is generated after determining to initiate the network capability updating service for the user; and a user capability updating request is sent to a Capability Schedule Entity (CSE), the generated user capability updating parameter being carried therein, to cause the CSE to schedule a network resource to meet a network capability requirement of the user according to the user capability updating parameter.