This paper reported a new species and a new Chinese record of Cylindrosporium. They are Cylindrosporium impatientis sp. nov. on Amaranthus spinosus and Cylindrosporium maculans on Antiaris toxicaria respectively. Specimens studied were collected from Yunnan and Zhejiang. Descriptions,illustrations and discussions are given for these two species. The specimens are deposited in the Herbarium of Yunnan Agricultural University( MHYAU) in Beijing and Mycological Herbarium of Northwest Agriculture & Forestry Univ...