The invention discloses a tapping device applied to a human body, which is a structure of a multi-stage type nunchaku and is composed of a plurality of first strips, a connecting unit and a plurality of second strips. After the first strips are gripped and an external force is applied, the first strips transmit an external force to the second strips through the connecting unit, and the second strips are released in a direction to release the external force. For tapping on the human body.
