4.Kidney essence deficiency *Treatment principle: Tonify kidney essence Acupoint selection: Baihui (DU20),Xuanzhong(GB39),Shenshu (BL23),Taixi(KI3)4. Kidney essence deficiency ❖ Treatment principle: Tonify kidney essence ❖ Acupoint selection: Baihui (DU20), Xuanzhong( GB39), Shenshu (BL23), Taixi(KI3)