36 Cases include 16 male and 20 female; ages from 18 to 71 years old; duration from 45 days to 4 years.

Treatment method:
Select A-shi point, Zhouliao (LI 12). Extract prednisolone acetate 2ml with syringe, 2% lidocaine 2ml, Radix Angelicae Sinensis (Danggui) Injecting Fluid 2ml for mixture, make ordinary sterilization. Inject 3ml mixture fluid into A-shi point and Zhouliao (LI 12). Use Shou Zhan San (Ru Xiang, Myrrha (Moyao), Rhizoma Corydalis (Yanhusuo), Xiang Fu with each 10g, Wu Ling Zhi 15g, mix then grind) with wine, then use externally on the diseased area, bandage and fix. Once a week, 2 times is one treatment course. Observe effect after one course.

Result: 30 cases cured; 6 effective; total effective rate is 100%.