Abstract: The present disclosure relates to a socket of an optical controller, including: a base having an electrical plughole and a pin accommodation groove; a mounting seat having a wire trough and a pin mounting groove; a metal pin, arranged in a cavity formed by the pin accommodation groove and the pin mounting groove; a contact piece, connected with an external wire, and comprising a wiring pin, a positioning pin and a contact surface that has an arc shape matching with that of the base; a groove, arranged at a joint corner of the wiring pin and the positioning pin with the contact surface; the wiring pin and the positioning pin are arranged on both sides of the contact surface; and the wiring pin and the positioning pin are bent 90-degree on an inner side of the groove. The present disclosure also discloses a water-proof sealing socket of an optical controller.