Infrared light therapy, also referred to as infrared phototherapy, employs the therapeutic heat effects of infrared rays, especially those with robust penetrating abilities. It facilitates blood circulation, delivers nutrients to affected areas, and aids in the absorption of inflammatory exudates, which can lead to reduced swelling and pain relief. Applications of this therapy are diverse, including the promotion of fracture healing, the recovery of surgical incisions, and the alleviation of joint pain.