Patients with a scar in the lower triangle of the stomach can be treated with topical medication, fractional laser and skin grafting surgery as prescribed by the doctor. 1. Topical application of drugs: Below the belly triangle has a scar, if it has just formed, and the area of the scar is relatively small, can be treated by applying drugs, such as silicone gel, after application can be gently massaged to help absorption, and adhere to the use of a period of time can play a role in fading. 2. Fractional laser: there is a scar in the triangle area under the stomach, if it has been formed for a period of time, and the area of the scar is relatively small, it is necessary to treat it with fractional laser, but it needs several laser operations to remove it completely. 3. Implant surgery: If the area of the scar in the triangle area under the stomach is relatively large, you can also choose implant surgery to remove it. When the patient has a scar in the triangle area under the stomach, he should go to a regular hospital and be operated by a professional doctor, and pay attention to local hygiene after the surgery to avoid infection.