Abstract: East China is a natural floristic region. It's seed plants flora has about 4259 species (not including cultivated plants and varieties) in 1180 genera and 174 families. Among them there are about 8 families, 22 genera, 34 species in Gymnospermeae; 25 families, 258 genera, 833 species in Monocotyledoneae and 141 families, 900 genera, 3388 species in Dicotyledoneae. The contents of this paper are summarized as follows: 1.The origion of East China flora; 2. The sta-tistics of families, genera and species; 3. The analysis of big families (Containing more than 60 species); 4. The analysis of geographical elements in genera; 5. The analysis of endemic species and non-endemic species; 6.The floristic comparison in seed plants between East China and Japan.

Key words: The region of east China