PROBLEM TO BE SOLVED: To provide a massage device that improves tactile sensation provided to a body part of a person to be treated.SOLUTION: This massage device comprises a massage unit 10 including a first member 11 and a second member 12 that are provided on respective sides of an arm B of a person to be treated, where one side of a space S1 formed between the first member 11 and the second member 12 is opened for insertion/extraction of the arm B. The massage unit 10 includes: an air cell 31 that is provided together with the first member 11 and that is for pressing the arm B by being inflated； and a massage mechanism part 50. The massage mechanism part 50 performs: an operation for bringing the first member 11 and the second member 12 close to each other； and an operation for moving the first member 11, together with the inflated air cell 31, toward at least one side of the opening side of the space S1 and the opposite side therefrom.SELECTED DRAWING: Figure 11
