Objective To evaluate the nursing effect of wenjing moxibustion with ginger in zhuang medicine to knee osteoarthritis (KOA), which can provide an effective nursing intervention for KOA. Methods Totally 80 cases were divided into two groups by random number table. There were 40 cases in zhuang moxibution group and 40 in traditional moxibution group. These two groups were taken the same nursing intervention and exercise. However zhuang group were spend 20 minutes and covered by ginger mud on zhuang xiguan point, and fire moxa on the ginger mud. Xuehai, Liangqiu, Neixiyan, and Waixiyan were chosen and fired moxa cone with ginger in traditional group that spent 20 minutes. It was observed the knee pain and swelling before and after 1 week during the treatment. 2 groups were compared with the cost of treatment. Results There was no different in pain and swilling before treatment (P>0.05), but there was significantly difference after 1 week in two groups (t=14.72、12.90;7.04, 2.73, P﹤0.01). It was significantly different in two groups after 1 week treatment (t=-5.06,-3.64, P﹤0.01). There was no significantly difference in the cost of treatment (F=0.041 6, P>0.05). Conclusions these two nursing intervention can release pain and swelling. However it is effective and no different in the cost of treatment when using wenjing moxibustion with ginger in zhuang medicine.