Infrared therapy in orthopedics is a very widely used type of treatment, such physical therapy can mainly play the following role: 1, can play the role of heating. Some orthopedic diseases, such as the presence of peripheral vascular nerve damage, or old soft tissue blunt, contusion, will lead to localized cold limb symptoms. This can be done through infrared physical therapy, local heating, and thus alleviate such symptoms. 2, can play a role in accelerating blood circulation. Some patients may suffer serious injury, due to the destruction of peripheral blood vessels, resulting in poor local blood circulation, which leads to local symptoms of cold, purple, numbness. At this time you can use infrared physical therapy to accelerate local blood circulation to relieve the above symptoms. 3, can play the role of vasodilation. Some patients, especially those with hand trauma, often have localized vascular spasm. This is the case, the use of infrared physiotherapy can effectively make this part of the small blood vessels gradually expand, and then make such diseases faster recovery. 4, can play the role of anti-inflammatory. In the local use of infrared physiotherapy, can eliminate sterile inflammation, and then make the patient’s pain, swelling symptoms to achieve relief.