There may be numbness in the hands after surgery for smokers’ disease. The causes include the effect of primary disease, surgical injury, and postoperative hematoma compression. 1. The effect of primary disease: smog disease can cause hemorrhage or infarction, when the brain cells are damaged and necrotic, resulting in numbness of the dominant limbs. 2. Surgical injury: after surgery, the loss of energy tissue damage, brain tissue necrosis and cause numbness. 3. Postoperative hematoma compression: hematoma may occur in the process of surgery, when the hematoma compression of the nerves can cause hand numbness. Hand numbness after surgery for smog disease should be timely feedback to the treating doctor, the doctor will choose the treatment plan according to the patient’s specific condition.