Poor wound healing after thyroid surgery can be treated with electromagnetic wave therapy under the guidance of a doctor, and should not be used on its own. Electromagnetic wave therapy is commonly known as baking treatment, through electromagnetic and thermal effects on the tissue to produce biological effects, can promote blood local circulation, promote the patient’s wound healing, the temperature and length of treatment varies according to the condition, the patient should be under the guidance of the doctor to carry out physical therapy of the wound, the indications for baking treatment include postoperative wound healing, etc., but should not be used by oncology patients. Patients after thyroid surgery should pay attention to the wound to keep dry, pay attention to whether there is pus, redness and swelling, etc., and change the medicine in time. If the wound heals poorly after thyroid surgery, or is accompanied by infection, etc., electromagnetic wave therapy can be performed under the guidance of the surgeon, and should not be used on its own.