Yin Liangying is a famous sericologist in modern China.He was determined to learn sericulture,devoted himself to the study of sericulture knowledge,and paid attention to the combination of theoretical study with scientific experiments and sericulture practice.During the The War of Resistance against Japanese Aggression,he led the improvement of sericulture and sericulture education in Sichuan Province.By reviewing Yin Liangying's theoretical achievements,research methods and practical results in sericulture history research,sericulture education and sericulture improvement,the paper hopes to provide reference for the development of sericulture in China today and promote sericulture industry to return to the"main track"of economic development.