Materials and methods: 52 patients of lumbar OA were received a daily 20-minute electropuncture atHua-tuo Jiaji points of L2-L3, L3-L4, L4-L5, BL. 31, BL. 23, BL. 25, GV. 4, GV. 3 and 20-minute lumbar traction in 30 days.