Since the outbreak of the COVID-19, newly -built local universities have actively responded to the Ministry of Education's call to suspend classes but not suspend learning, and have conducted online teaching in a comprehensive manner. The supply of online teaching resources, which affects the teaching quality, is a premise for online teaching. The study analyzes the current situation of online teaching resources in Chaohu University during the epidemic, and finds that there are problems of uneven supply and poor quality. The main reasons include inadequate school management and guidance, insufficient technical support, teaching ideas lagging behind and low professional abilities of some teachers. In order to ensure the balance of supply and demand of online teaching resources, and increase the effective supply of resources, this study puts forward the optimization path and effect evaluation of online teaching resources supply, so to provide reference for education and teaching in similar crisis situations.