The combination of Hegu （ 合谷 LI 4） and Thichong （太冲 LR 3） which is applied in the clinic is named as Siguan points （四关穴 Four-gate points）. From January 1998 to April 2008, the authors had treated 58 cases of amenorrhea by puncturing on Siguan points （四关穴 Four-gate points）. The report is as follows.
