Loose skin all over the body is generally due to physiological phenomenon, disease or weight loss and other reasons, according to different situations to take medical beauty treatment to make it tighten. 1. Physiological phenomenon: the elderly due to the gradual aging of the skin, collagen fibers, elastic fibers in the skin to reduce the formation of senile skin laxity. Patients can go to the regular medical beauty institutions, choose the way of thread sculpture to improve the skin, the plant protein line into the skin after the fascial layer, the fascial tissue for lifting, can achieve the effect of tightening the skin to remove wrinkles. 2. Disease causes: some of the whole body skin laxity is congenital, also called congenital skin laxity. When the skin laxity is more serious, you can choose the facelift surgery to treat, the surgery will be in the hidden part of the incision, and then the skin will be stretched, become tighter to improve the situation of skin laxity. 3. Weight loss: more obese people, after weight loss, due to fat reduction, the surface of the skin to lose support, can appear all over the skin laxity. You can choose radiofrequency skin tightening, penetrate the skin surface into the subcutaneous tissue layer, stimulate the subcutaneous layer of collagen regeneration, promote metabolism and contraction of collagen fibers, so as to achieve the role of tightening the sagging skin. It is recommended to go to the hospital in time to see a doctor for early formal treatment.