Provided is a massage machine enabling an effective massage treatment by a pair of left and right massage members even for users having various sizes or thicknesses of treatment regions. A massage machine according to the present invention includes: a pair of left and right massage members provided so as to hold a treatment region； a rotating shaft provided so as to laterally penetrate the left and right massage members； a drive unit for rotationally driving the rotating shaft； and a conversion part for converting a rotating force of the rotating shaft to a massage operation by the massage members, and in this massage machine, there is provided a horizontal movement mechanism for causing at least one of the pair of left and right massage members to move in a horizontal direction along the rotating shaft by rotating the rotating shaft to thereby make an interval between the pair of left and right massage members variable.
