To observe the differences for knee osteoarthritis (KOA) with 
Ninety patients were randomly assigned into an acupuncture group, a ginger moxibustion group and a combination group, 30 cases in each one. Acupuncture was used in the three groups at bilateral Liangqiu (ST 34), Xuehai (SP 10), and Dubi (ST 35), Neixiyan (EX-LE 4), Yanglingquan (GB 34), Zusanli (ST 36), Yinlingquan (SP 9), Sanyinjiao (SP 6), Xuanzhong (GB 39), Taichong (LR 3) on the affected side. Acupuncture at the affected Heding (EX-LE 2) was applied in the acupuncture group; ginger moxibustion at the affected Heding (EX-LE 2) in the ginger moxibustion group; ginger moxibustion after acupuncture at Heding (EX-LE 2) in the combination group. The treatment was given once a day, and 10 treatments made one session. There were 2 days at the interval between 2 sessions. Before and after (22/30), which was significantly higher than 46.7% (14/30) of the acupuncture group and 20.0% (6/30) of the ginger moxibustion group (both 
After treatment, the knee function scores of the three groups were all higher than those before treatment (all 
Based on acupuncture, ginger moxibustion at the affected Heding (EX-LE 2) after acupuncture at the same acupoint are more effective than simple acupuncture at the affected Heding (EX-LE 2) and simple ginger moxibustion at the acupoint for KOA with 