Obesity lines in medicine is called expansion lines, expansion lines on the buttocks (i.e. hip) is not necessarily able to completely eliminate, but can be eliminated through the elimination of weight control, medication, physical therapy and other ways to improve the symptoms. 1. Weight control: expansion lines on the buttocks are mainly due to local fat accumulation, so patients need to control their weight, and can eliminate excess fat through hip exercises, so as to improve the expansion lines and avoid the aggravation of obesity lines. 2. medication: for hip expansion lines, patients can use adapalene gel, retinoic acid cream and other drugs to smear, so as to achieve the effect of fading obesity lines. The use of these two drugs should pay attention to contraception. 3. Physical therapy: you can choose carbon dioxide laser, fractional laser, plasma radiofrequency laser and other ways to eliminate the expansion lines on the buttocks, through the laser to promote local recovery, so that the skin is tightened and improve the symptoms. Swelling lines on the buttocks are not necessarily able to be completely eliminated, but can be lightened by the above ways to fade the swelling lines. All of the above drugs should be used under the guidance of a doctor, it is recommended that patients go to the hospital as soon as possible, under the guidance of the doctor to take standardized treatment.