Infrared therapy instrument mainly has the following roles: 1, can be used for traumatic wounds or surgical incisions. Infrared irradiation can promote local blood circulation and accelerate the decreasing of local inflammation and edema, thus promoting the healing of wounds. 2, for local bruising or soft tissue swelling after trauma. Infrared irradiation can promote local blood circulation through the role of heat therapy, accelerate the local bruising, so as to accelerate the repair of injured soft tissue. 3, can be used for chronic aseptic inflammation. Local chronic sterile inflammation causing pain, through infrared irradiation can also promote the absorption of local inflammation, so as to assist in relieving pain.