操作方法：治疗组以内、外膝眼为主穴，配以血海、梁丘，采用温针治疗；对照组采用中频治疗。
Operation methods : In the treatment group with the main focus point outside the knee , accompanied by Xue Hai , Liang Qiu , using warm needle treatment ; the control group was treated by IF .
外膝眼