Microwave therapy instrument is a commonly used equipment in microwave physiotherapy, with anti-inflammatory and analgesic, improve blood circulation and promote the efficacy of metabolism. The principle of microwave therapy instrument is to use microwave irradiation of local lesions, so that the lesions of the tissue absorption of microwaves, so that its own heat, can effectively promote local blood circulation, accelerate the absorption of inflammatory tissue, can effectively treat some of the pain caused by chronic sterile inflammation. For some traumatic swelling pain, through the microwave physiotherapy can also be effective in relieving local pain, common treatment scope includes arthritis, inflammation of local swelling and pain, gynecological diseases. 1. Arthritis: acute sprain of wrist, ankle and other joints and inflammation of shoulder, knee, elbow and other joints. 2. Inflammatory local swelling and pain: tumor diseases, inflammation of the breast gland and skin inflammation. 3. Gynecological diseases: pelvic inflammatory disease, inflammation of uterine adnexa, vaginitis and cervicitis. It is recommended that patients under the guidance of a professional doctor for microwave physiotherapy, do not blindly use the microwave therapy instrument on their own, the