Obesity lines are generally caused by a short-term surge in weight, where the subcutaneous tissue grows faster than the skin, causing the dermis to break down. It can be treated by medication and physical therapy. 1. Medication: under the guidance of the doctor to apply adapalene gel, retinoic acid ointment and other drugs to treat, which can promote collagen fiber regeneration, improve the appearance. 2. Physical Therapy: Carbon dioxide laser treatment can also be carried out in the case of atrophic lines to induce collagen and elastic fiber remodeling and improve the phenomenon of local vascular dilatation. Intense pulse light therapy can also be carried out to promote collagen synthesis, accelerate collagen fiber remodeling, to improve the purpose of obesity lines. Patients with obesity lines on the thighs need to clarify the reasons for the short-term surge in body weight and exclude endocrine system-related diseases; at the same time, pay attention to adjusting the dietary structure and scientific weight reduction; the above drugs need to be used under the guidance of specialists in regular medical institutions, and choose a suitable treatment for themselves.