A push switch includes a case having a recess portion, a first fixed contact placed in the recess portion, and a second fixed contact placed in the recess portion. Furthermore, the push switch includes a dome-shaped movable contact placed in the recess portion and having a center portion facing the first fixed contact with a space therebetween, a protective sheet for covering the recess portion, and a protrusion member fixed to the protective sheet by welding at a convex side of the center portion of the movable contact. The first fixed contact and the second fixed contact are provided at positions that are brought into contact with the movable contact when the movable contact is elastically reversed.