Obesity lines on the stomach are medically known as expansion lines or atrophy lines, usually caused by factors such as obesity, pregnancy, or local long-term application of glucocorticoid creams. Through general treatment, drug therapy, physical therapy and other methods to lighten or stop its development. 1. General treatment: some obese patients through regular diet, fitness exercise and other ways to reduce body weight, abdominal swelling lines can subside on their own; part of the pregnant women in childbirth, abdominal swelling lines can subside on their own; at the same time, it is recommended that the patient in the application of topical ointment, we must choose the regular manufacturers of drugs, standardized use under the guidance of the doctor. 2. Drug therapy: generally can be used externally, such as retinoic acid ointment, to improve the appearance of swelling lines; can also be injected through the skin containing a variety of growth factors and proteins plasma concentrate, to stimulate the extracellular matrix to induce the synthesis of new collagen, enhance the skin’s elasticity, so as to improve the appearance of swelling lines. 3. Physical therapy: common physical therapy such as fractional laser therapy, radio frequency therapy, intense pulsed light therapy, etc., to stimulate the dermal collagen proliferation, so that the skin is more firm and elastic, to improve the appearance of swelling lines. It is recommended that patients with abdominal obesity lines go to a regular hospital dermatology clinic, under the guidance of the doctor’s reasonable treatment, not blindly self-medication.