PROBLEM TO BE SOLVED: To provide a massage device which enhances massage properties of a kneading massage or a pinching massage by making pressing force act effectively, and a chair type massage machine including the massage device.SOLUTION: In the massage device 1 including protruding treatment elements 5 giving a massage by rotating eccentrically eccentric plates 4, four eccentric plates 4 are aligned to substantially constitute a line and are divided into two in the right and two in the left at the center of the aligned eccentric plates 4 so that they are paired up in positions to pinch a body 20 to be treated by making contact with or being separated from the other treatment element 5, and the protruding amount of the treatment element 5 of the eccentric plate 4 located on the center side of the line is greater than that of the treatment element 5 of the other eccentric plate 4 of the pair.COPYRIGHT: (C)2010,JPO&INPIT【課題】 圧迫力を効果的に作用させて、揉みマッサージや挟持マッサージのマッサージ性を向上したマッサージ装置および、該マッサージ装置を備えた椅子型マッサージ機を提供する。【解決手段】 偏心板4に偏心回転されてマッサージを行う突出した施療子5を備えたマッサージ装置1であって、前記偏心板4が四つ略一直線に並んで列を構成しており、列をなす偏心板4の中央で左右に二つずつに分かれて互いの施療子5を接離して被施療体20を挟持する配置で対をなしており、列の中央側に位置する偏心板4の施療子5の突出量が対をなす相手の偏心板4の施療子5より大きいものとした。【選択図】 図1