According to Formulas from Benevolent Sages Compiled during the Taiping Era (Tài Píng Shèng Huì Fāng, 太平圣惠方), ( ) can be applied with moxibustion to prevent the occurrence of stroke. A、Zusanli (ST36) B、Xuanzhong (GB39) C、Guanyuan (CV4) D、Qihai (CV6) E、Mingmen (GV4)