15 cm limb circumference of the superior edge of the patella，and the lower 15 cm limb circumference of the inferior edge of the patella were significantly decreased(P<0.05).The limb circumference of 5 cm on medial malleolus decreased significantly(P<0.05)，the echo of subcutaneous tissue and the shape of subcutaneous tissue improved significantly(P<0.05).The thickness of subcutaneous tissue in the treatment group decreased significantly(P<0.05) ......