283 specimens of polypore fungi were collected in the Huzhong Nature Reserve and surrounding area of the Great Hinggan Mts. of northeastern China during August 2003, and 112 species were identified from these materials. A checklist of the polypores is given, and the host of each species is supplied. Most of the species are firstly reported in the study area. In addition, Albatrellus syringae, Polyporus ulmi and Skeletocutis lilacina are new to Chinese fungal flora, and a detailed description of the three species is given based on the studied materials.