Yin Wenying, female, Han nationality, is a native of Pingxiang, Hebei Province. She graduated from Central University in 1947.
Yin Wenying has conducted research on fish parasites and fish disease prevention and treatment in the early stage of contamination. She researched the classification, configuration, zoology, growth after embryo, biological geography, comparative semen and sub-microscopic study of fish and recorded 164 original series of tail worms, 141 new series, 18 new genera, 4 new families in China and proposed a concept of generation of original tail worms.
Yin also established a new classification system according to her research and published "China Animal Records: Original Tail Item" in 1999. She presided over, and promoted, systematic research on soil zoology. Her research also led to a change in the rules of soil animals and their functions in materials cycle in soil and environmental pollution influence experiments. The results were published in "Chinese sub-tropical soil animals", "Chinese Soil Animal Search Illustrated Handbook" and "Chinese Soil Animals."
Yin is an academician of the Chinese Academy of Sciences.