Clinically, it is often divided into four degrees: degree 1: the girdle is only embedded in the skin; degree 2: the girdle penetrates deep into the fascia and does not affect the circulation of the distal limb; degree 3: the girdle penetrates deep into the fascia and affects the circulation of the distal limb, with swelling and color change of the limb, and may also be accompanied by nerve damage; degree 4: congenital amputation. The purpose of treatment: the main purpose is to remove the compression of the fascia, to allow the normal development of the limb, to improve the limb edema, for the fascia compression of blood vessels and nerves should be early surgical treatment. Surgical method: Thoroughly loosen the girdle and do Z-formation of the paraplegic flap. Traditionally, it is believed that the girdle should be operated in 2-3 stages to prevent flap necrosis and affect limb blood flow. With the improvement of medical level and technical methods, it is possible to do Z-formation release directly in 1 stage surgery, which reduces the number of operations and shortens the treatment time to obtain good development.