To provide a capacity-type sensor which is not bulky, and detects the magnitude and the direction of an external force acting on a force receiving portion.

This sensor is provided with a board 2, an elastic rubber board 1 provided above this board 2, an electrode portion C provided on one of the counterposed surfaces of the rubber board 1 and the board 2, and electrode portions Cx+, Cx-, Cy+, Cy- provided on the other. This distance between the electrode portions C and each of the electrode portions Cx+, Cx-, Cy+, Cy- changes by pushing the rubber board 1 in.