Provided are a method for D2D communication, and a D2D device. The method comprises: a D2D device determining a target resource of a resource pool, wherein the resource pool is used for D2D communication, and the target resource is an occupied resource in the resource pool or a conflict resource in the resource pool, with the conflict resource being a resource simultaneously occupied by a plurality of D2D signals in the resource pool; and the D2D device determining a resource usage parameter of the resource pool according to the target resource, wherein the resource usage parameter is used for indicating a ratio of the occupied resource to the total resources of the resource pool, or the resource usage parameter is used for indicating a ratio of the conflict resource to the total resources of the resource pool.