Foot switch capable of preventing mistaken treading and water spraying

The utility model relates to the technical field of switches, in particular to an anti-misapplication waterproof foot switch which comprises a protective shell and a foot switch body arranged in the protective shell. The protective shell comprises a protective shell base and a protective shell upper cover hinged to the protective shell base through a buckle. The protective shell base is provided with a protective shell base front side wall at the open end of the protective shell. The foot switch comprises a switch base, a switch upper cover and a point contact switch, the switch upper cover and the switch base are hinged through a connecting shaft, the connecting shaft and the buckle are arranged on the two opposite sides, and the point contact switch is arranged at the treading end of the switch upper cover. When the foot switch is used, the protective shell upper cover is firstly opened, and when the switch upper cover is treaded, the front side wall of the protective shell base arranged on the protective s