Abstract:An investigation of the flora and vegetation was made in li mestone hill with an area of 47.8 km2 in Shimentai Nature Reserve, Yingde County , Guangdong. Eighty-six vascular plant species included in 77 genera and 51 fami lies are distributed here, of which 12 species are endemic to limestone area, viz. ferns, including Hypodematia crenatum, Pyrrosia s imilis, Pteris cretica, and the seed plants, Sapium roundifolium, Sinosideroxylon wightianum, B oniodendron minius, Ptrocetis tatarinowii, Zanthoxylum armatun，etc．The vegetation in the area studied is classified into 6 forest types．i.e. Ptroceltis tatarinowii forest, Zenia insignis forest, Pistacia chinensis forest, Choerospondias axillaris and Ficus microcarpa forest, A lchonea trewioides and Strobilanthes cusia forest, and Sapium roundifolium forest． The protection and restoration measures oflimestone vegetation after disturbance are suggested．