Minimally invasive surgery 20 days navel out of the water wound cracking, consider is not pay attention to personal hygiene or due to some external forces caused by local wound infection. It should be cleaned up and sutured in time and anti-infection treatment should be carried out at the same time, and the care should be strengthened in the meantime. 1. Cleansing suture: this situation should go to the hospital as soon as possible to deal with, if only the epidermis part of the wound cracked, need to remove the necrotic tissue, if the wound cracked deeper, this situation needs to be carried out local anesthesia, the depth of cleansing, cleansing wounds after the wound is larger need to be sutured. 2. Anti-infection treatment: If the wound is infected, local antibacterial and anti-inflammatory treatment should be carried out, and the dressing should be changed on time, meanwhile, oral antibiotics such as cefaclor, cefuroxime, amoxicillin and so on should be taken. If the infection is serious, intravenous drip antibiotic medication is also needed. Usually should pay attention to the wound site hygiene, do not contact with water and any pollutants, do not do strenuous exercise. Minimally invasive surgery 20 days navel out of the water wound cracked should be timely medical treatment, to the regular hospital treatment, the above medication need to be used under the guidance of a doctor, avoid self-medication.