Infectious animal diseases seriously threaten the development and survival of animals and humans, and are a common problem requiring global attention. Research into infectious diseases of domestic animals has progressed greatly in recent years and has achieved a series of important result . This article is based on papers and reports of the National Academic Symposium of the Animal Infectious Diseases Branch of the Chinese Society of Animal Husbandry and Veterinary Medicine (2015~ 2019),summarize the data, analyze the rules, analyze the research characteristics and rules of domestic animal infectious disease during the " 13th Five-Year Plan" period, and provide references for the construction and development of animal infectious diseases. The research scope of animal infectious diseases and the types of epidemic diseases are more extensive, and more attention is paid to new infectious diseases; the mechanism research is more in- depth; the research on epidemic diseases has obvious regional characteristics, and the regional characteristics of research institutions are obvious.