The wound of lateral incision is always stinging pain may be caused by the wound has not fully recovered, or may be caused by nerve damage, infection and other reasons. 1. The wound has not yet recovered: lateral incision will destroy some of the tissues and blood vessels, if the maternal recovery time is shorter, will be in the activities or occasionally after stimulation, there is a sting like pain, it is a normal phenomenon, generally as the recovery time is prolonged, the wound will gradually heal, the pain gradually disappeared, do not need to carry out special treatment. 2. Nerve damage: lateral incision has a certain damage to the local nerve, if the mother does not pay attention to personal hygiene, resulting in long-term stimulation, there will be a sting like pain. 3. Infection: after giving birth, there will be malodor, easy to contaminate the wound of lateral incision, thus causing infection, under the stimulation of inflammation, the mother will be more likely to have pain like stings, accompanied by touching the presence of lumps, abdominal distension and other symptoms. In addition, some patients will be due to the silk thread foreign body stimulation and cause pain symptoms, this situation requires the removal of silk thread. There may be other reasons why the wound of lateral incision always stings, and it is recommended that the person who has this situation should consult a doctor in time for examination, and follow the doctor’s instructions to deal with the problem after clarifying the cause.