Microwave therapy is mainly used for trauma or local inflammation and edema, microwave therapy can promote the absorption of inflammation and edema, which can have the effect of reducing swelling and pain. In general, microwave therapy is the use of microwave probes placed on top of the injury or the area to be treated, after starting the instrument and other probes emitting microwaves. Through the skin into the subcutaneous tissue, or muscle or even bone and other places to local action, to promote local blood circulation, accelerate the absorption of local inflammation, so as to relieve symptoms and achieve the role of the treatment of disease. And microwave is usually done for about 20 minutes each time, and can be done twice a day. If in the ward, it is usually done once in the morning and once in the afternoon. After doing so, it is all recommended to rest mainly and avoid more activities in the injured area.