Whether smooth muscle tumor is serious or not is related to the specific condition of the patient. Smooth muscle tumor is a kind of tumor originated from smooth muscle tissue, which is generally benign and can be cured by surgical excision, and the condition is not easy to recur, so smooth muscle tumor is generally not a serious disease. In surgical treatment, if the patient has a single tumor, it is suitable for complete excision by surgery, if it is multiple tumors, it should be excised as completely as possible, and if necessary, it can be excised by surgery and then implanted or cryotransferred heat therapy can be tried. At present, the cause of smooth muscle tumor is not clear, it may be related to genetic, endocrine abnormalities, etc. Smooth muscle tumor is mainly manifested as single or multiple pimples or nodules, most of them are single, preferably occurring on the surface of the neck, the side of the limbs and the perineum, etc. The color is normal or red, brown, blue, etc., which may be asymptomatic, or may have the symptom of spontaneous pain. It is suggested that when patients are diagnosed with smooth muscle tumor, they should be treated under the guidance of doctors in time, and after the treatment, they should pay attention to keep the surgical site warm, avoid pressure, etc., and don’t be too tired.