Abstract:The present paper is a preliminary outcome of taxonbmic study of chinese plants of sect. Cucubaloideae. It contains 3 subsections, 25 species,2 varieties, of which 2 subsections are described as new and 1 belong to new grade. Besides, 6 species, 1 variety and 3 forms have been reduced to synonyms.The chinese plants of section Cucubaloideae in Silehe are mainly distributed in the Southwest, the Northwest, passing along the Central to the Northeast China. Himalayas--Hengduan Mountains is a centre for distribution of this section Cucubaloideae.