The incision after laparotomy usually recovers in about a month, and the exact recovery time needs to be judged according to the physical condition. In clinical medicine, abdominal surgery incision usually heals in about a week. After laparotomy, patients need to disinfect the incision and change the medicine regularly. If the incision is infected, there will be redness, swelling and even pus, which will affect the healing time of the incision, and the wound will have delayed healing or no healing. After laparotomy, during the period of incision healing, patients need to pay attention to rest, diet to nutrition, easy to digest, such as bananas, milk, fish, etc., to promote the healing of the incision, and avoid spicy stimulating food, such as chili peppers, ginger, green onions and so on. It is also necessary to keep the wound dry. If there are complications after open heart surgery, you should go to the hospital in time for targeted treatment.