Improved child safety power supply unit capable of preventing electric shock

The invention discloses an improved child safety power supply unit capable of preventing electric shock. The improved child safety power supply unit comprises a power supply seat and a power supply plug, wherein the power supply seat is fixedly arranged in a wall; the power supply plug is connected with electric equipment; a center groove is formed in a center of a right end face of the power supply seat; locking grooves are symmetrically formed in upper and lower end walls of the center groove; an inclined guide plane is formed in a right end of the center groove; an upper slot and a lower slot are symmetrically formed in the power supply seat from top to bottom; elastic output power supply blocks are arranged on end faces, which are close to the center groove, of the upper slot and the lower slot; a sliding cavity which extends to the left and the right and is communicated with the upper slot and the lower slot is formed in the power supply seat; a sliding rack is arranged in the sliding cavity in a left-ri