A massage apparatus includes a main frame and an air-bag for massage. The air-bag includes an air-bag front section and an air-bag main body fixed to the dorsal side of the air-bag front section. The air-bag is arranged that the dorsal side of the air-bag main body is disposed toward the main frame so that the front side of the air-bag front section makes up a contact side with a human body. The dorsal surface of the air-bag main body is configured to be able to expand and shrink, and the air-bag front section is configured so as to remain flat even when the air-bag main body is expanded or shrunken.
