Abstract:Five new fungal diseases on Araceae in China were identificated by systematic investigation carried out from 1997 to 1999 in Guangzhou region. The pathogens are Sclerotium rolfsii Sacc., Ascochyta philodendri Batista, Metarrhizium anisopliae (Metsch.) Sorokin, Acremonium zonatum (Saw.) W.Gams and Pythium sp..