An air supply/exhaust device for supplying and exhausting gas to and from a massage device (2; 21, 22, 23), the air supply/exhaust device configured to supply gas to and exhaust gas from a massage device (2; 21, 22, 23) through a communication path, the massage device (2; 21, 22, 23) including an identification unit (25A, 25B) configured to identify a type of the massage device (2; 21, 22, 23), bladders (201-212, 213-216) configured to expand and contract in response to supply and exhaust of the gas respectively, and the communication path communicating with the bladders (201-212, 213-216), the air supply/exhaust device comprising: a control unit configured to control supplying gas to and/or exhausting gas from the massage device (2; 21, 22, 23) in accordance with a preset operation pattern; and a recognition unit (35A, 35B) configured to recognize the identification unit (25A, 25B) through wireless communication, wherein the control unit specifies a type of the massage device (2; 21, 22, 23) based on the identification unit (25A, 25B) recognized by the recognition unit (35A, 35B), and sets the operation pattern in accordance with the type of the identified massage device (2; 21, 22, 23) characterized in that the air supply/exhaust device further comprises a second connection part (C12; C22) connectable to a first connection part (C11; C21) formed at an edge part of the communication path, the identification unit (25A, 25B) is provided in the first connection part (C11; C21) at the edge part of the communication path, the recognition unit (35A, 35B) communicates with the identification unit (25A, 25B) through short-range wireless communication, and the recognition unit (35A, 35B) is configured to recognize the identification unit (25A, 25B) in a state in which the second connection part (C12; C22) is connected to the first connection part (C11; C21), and not to recognize the identification unit (25A, 25B) in a state in which the second connection part (C12; C22) is not connected to the first connection part (C11; C21). a control unit configured to control supplying gas to and/or exhausting gas from the massage device (2; 21, 22, 23) in accordance with a preset operation pattern; and a recognition unit (35A, 35B) configured to recognize the identification unit (25A, 25B) through wireless communication, wherein the control unit specifies a type of the massage device (2; 21, 22, 23) based on the identification unit (25A, 25B) recognized by the recognition unit (35A, 35B), and sets the operation pattern in accordance with the type of the identified massage device (2; 21, 22, 23) characterized in that the air supply/exhaust device further comprises a second connection part (C12; C22) connectable to a first connection part (C11; C21) formed at an edge part of the communication path, the identification unit (25A, 25B) is provided in the first connection part (C11; C21) at the edge part of the communication path, the recognition unit (35A, 35B) communicates with the identification unit (25A, 25B) through short-range wireless communication, and the recognition unit (35A, 35B) is configured to recognize the identification unit (25A, 25B) in a state in which the second connection part (C12; C22) is connected to the first connection part (C11; C21), and not to recognize the identification unit (25A, 25B) in a state in which the second connection part (C12; C22) is not connected to the first connection part (C11; C21).