To provide an artificial hand suitably used for a robot automatically playing an instrument having two or more adjoining pistons.

This artificial hand 10 can push down each piston of the instrument having two or more adjoining pistons. This artificial hand 10 is provided for each piston and has artificial fingers 100, 102, 104 pushing down the pistons and actuators 30, 32, 34 provided on each artificial finger and actuating the artificial fingers. In this artificial hand 10, a diameter of the actuator 30, 32, 34 is larger than a distance between the adjoining pistons, and each actuator 30, 32, 34 is arranged so that each artificial finger 100, 102, 104 is viewed parallel when the back of the artificial hand 10 is viewed in plane.

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