Foot massage device having stretch function and massage method

A foot massage device having a stretch function comprises a body (1) comprising a housing and a foot massage mechanism. The housing is provided with a massage cavity for placing feet. The foot massage mechanism is provided below the massage cavity. A lower part of the body (1) is connected to a support base (2) supporting the body (1). An upper portion of the massage cavity is provided with a massage air bag capable of squeezing and holding feet in position. A rear part of the body (1) corresponding to the heels is connected via a pin mechanism to the support base (2). A front part of the body (1) corresponding to the toes is connected via a swing drive mechanism to the support base (2). The massage air bag expands, squeezes the insteps, and holds the feet in position. The swing drive mechanism drives the body (1) to use a pin (3) as a fulcrum to swing up and down and to stretch and massage the feet. Also provided is stretch message method using the foot massage device. The massage method can stretch and massage feet, add a foot massage function, and improve comfort.