D2d one kind of resource acquisition method, device and system

The present invention discloses a D2D resource acquisition method, device and system to provide a notification system broadcast resources D2D configuration information, to achieve D2D communication between UE. The method is: UE receiving a predefined system broadcast message to obtain the resource D2D broadcast message carries system configuration information and save the D2D resource configuration information comprises a public land channel configuration information and resource sharing the D2D configuration information mobile network PLMN ID list.