Abstract: The morphology, taxonomy of the family Adoxaceae are dealt with in the present paper.The author Proposes a new.-system of Adoxaceae based on the morphological anatomical and other features:Adoxa L. Subg.Tetradoxa (C.Y.Wu) S.Y.Li et Z.H.Ning I.Sect.Tetradoxa (C.Y.Wu) S.Y.Li et Z, H.Ning 1) A. omeiensis Hara Subg.Adoxa Ⅱ.Sect.Orientates (Nepomn.) S.Y.Li et Z.H..Ning 2) A.orientatis Nepomn. Ⅲ.Sect.Adoxa 3)A. inodora (Falc.ex C.B.clarke) Nepomn. 4) A.moschatellina a.var.moschatellina b.var.japonica Hara c.var.insularis (Nepomn.) S.Y.Li et Z.H.Ning Sinadoxa C.Y. Wu, Z.L.Wu et R.F.Huang 5) S.corydalifolia C.Y.Wu, 2.L, Wu et R.F.Huang. The Problem of variability and evolution of Adoxaceae has also been discussed.