Socket capable of eliminating static electricity

A socket capable of eliminating static electricity comprises a shell, a three-phase plug, a live wire plug bush unit, a null line plug bush unit and a ground wire plug bush unit, the live wire plug bush unit, the null line plug bush unit and the ground wire plug bush unit are respectively installed in the shell, the three-phase plug is provided with a live wire plug piece, a null line plug piece and a ground wire plug piece, the live wire plug piece is electrically connected with the live wire plug bush unit, and the null line plug bush unit is electrically connected with the ground wire plug bush unit. The null line insertion piece is electrically connected with the null line insertion sleeve unit, the ground line insertion piece is electrically connected with the ground line insertion sleeve unit, the socket further comprises a three-pin switch, the three-pin switch is sequentially provided with a first switch pin, a middle public pin and a second switch pin from back to front, the first switch pin is elect