The massage machine includes a chair main body that includes: a seat part on which a person to be treated is seated, a backrest part, which is provided at a back part of the seat part, and on which the person to be treated leans, and a footrest which is provided at a front part of the seat part and supports leg parts of the person to be treated; guide rails and which are provided at the chair main body; and a first massage part and a second massage part which are configured to respectively move in the height direction along the guide rails. The first massage part moves at least from a position corresponding to the backrest part to a position corresponding to the seat part, and the second massage part moves at least from a position corresponding to the footrest to the position corresponding to the seat part.