In the acupuncture group , acupuncture was applied at three-nose points -LSB- Yingxiang ( LI @ ) , Shangyingxiang ( EX-HN @ ) and Yintang ( GV @ ) ; Cuanzhu ( BL @ ) was added for frontal headache -RSB- and three-back points -LSB- Dazhu ( BL @ ) , Fengmen ( BL @ ) and Feishu ( BL @ ) -RSB- , once every day .