The specific removal of skin flab should be judged according to different patients, the specific analysis is as follows: 1, generalized obese patients: skin flab is a manifestation of obesity, the need for weight loss treatment. There are skin flab suggests a higher degree of obesity, if the body mass index is more than 27.5, can be considered through the weight loss metabolic surgery to treat obesity. The skin flab may be reduced after surgical relief. Patients with severe obesity may have poor skin retraction after surgery to take the weight off and may develop skin tags, including abdominal skin tags and bat-sleeve-like skin tags on both sides. If it is obvious, it needs to be dealt with through plastic surgery; 2. Pregnant women: after giving birth to a child, the skin flab is not well eliminated, it should be recovered through exercise first, and if it cannot meet the expectation, it can be considered to be dealt with through plastic surgery.