Waterproof ground socket and wiring board thereof

The invention provides a waterproof ground socket and a wiring board thereof. The waterproof ground socket comprises a socket and a cover body, wherein the cover body is rotationally matched with thesocket through a rotating piece; one end, far away from the rotating piece, of the cover body is at least provided with a notch for allowing a wire to penetrate through; the waterproof ground socket also comprises a sealing cover, wherein the sealing cover is connected with the notch in an inserting and sealing mode; and the sealing cover is connected with the notch of the cover body in an inserting and sealing mode through an inserting groove and an inserting block. According to the waterproof ground socket, the notch for allowing the wire to penetrate through is formed in the cover body of the ground socket, so that an upper cover also can be closed when the ground socket is in use; the movable sealing cover is arranged on the wire of the wiring board, and the movable sealing cover and the notch of the cover bod