A muscle relief device comprises a main body, at least one sensor unit, at least one relief part and at least one control unit. The relief part including at least one massage unit for massaging muscles of a user. The sensor unit includes at least one contact sensor for detecting the contact area of the user. The control unit connects the relief part and the sensor unit, receiving a detected data from the sensor unit and controlling operation modes of the relief part. The relief part, the sensor unit, and the control unit are arranged on the main body.
