As an important metabolic enzyme in the body, CYP1A1 participates in a variety of physiological processes, such as immune response, oxidative stress, mutation induction and so on; and related to a variety of diseases, including various tumors, acute and chronic inflammation, lung injury, atherosclerosis, pathogen infection, etc(Gideon et al., 2012; Hussain et al., 2014; Gdula-Argasińska et al., 2016; Schiering et al., 2017). The gene discussed is CYP1A1; the disease is infection.