Junction box with high impact resistance at bottom

The utility model provides a junction box with high impact resistance at the bottom, which relates to the technical field of water and electricity installation engineering, and comprises a junction box main body, at least four gaskets are arranged at the bottom in the junction box main body, and the four gaskets are sequentially distributed at four corners of the junction box main body; and a nail hole opening is formed in the junction box main body below each gasket. During installation, a gun head of a gas nail gun or a gas gun is aligned with an iron sheet gasket at the bottom of the junction box, the junction box is abutted against a wall surface, after a steel nail is knocked out, a sharp part at the front end of the steel nail breaks through the iron sheet gasket, then penetrates through a nail hole to enter the wall surface and is fixed in a wall body, and a countersunk head of the steel nail is left on the outer side of the iron sheet gasket; and the junction box is tightly pressed on the wall surface