The clinical experience of Professor OUYANG Qun in using single acupoint includes treatment of Meniere's syndrome with Baihui (GV 20), optic neuritis with "Fengyan" (Extra point), painful heel with Xiaguan (ST 7), lymphoid tuberculosis with Quchi (LI 11), acute sore throat with Kongzui (LU 6), painful diseases with "Luolingwu" (Extra point), chest distress with "Kuanxiong" (Extra point), hordeolum with Feishu (BL 13), headache in menstrual period with Xuehai (SP 10), frozen shoulder with Tiaokou (ST 38), toothache with Waihuaijian (Extra point), occipital pain with Chengshan (BL 57) and vomiting with Yongquan (KI 1).