Abstract 112 Nobel Prizes in Chemistry have been awarded in 1901-2020. Among them,there are up to 49 bio-related prizes,exhibiting the close relationship between chemistry and biology. During the development process of modern sciences,chemistry has played a pivotal role on the biological studies at molecular level,and biological studies have had a significant promotional effect on chemistry. The variety of bio-related Nobel Prizes in Chemistry exactly embodied the mutual promotion relations between chemistry and biology.