Indicated in cases with a large excess of cutaneous tissue after an important loss of weight, as in cases of patients undergoing bariatric surgery. In these cases the skin is stretched, there are stretch marks, and variable excess body fat. The excess of skin and fat is frequent in several areas of the body so it is often necessary more than one surgery for a complete treatment. The success of surgical treatment will depend to a large extent on the proper planning of interventions. It is advisable to begin the reconstruction process with plastic surgery once the patients are in a phase of stability of this period of thinning and are not losing significant weight.