According to the widespread application of nomogram in predicting the presence risk of disease19,20, in this study, based on the concentration of IFN-γ in the Nil, TB antigen, and mitogen tube of QFT-GIT, combined with other clinical characteristics of patients, we attempted to create a nomogram model for predicting the presence risk of ATB, and to solve the problem of ATB being difficult to distinguish from IATB. This evidence concerns the gene IFNG and tuberculosis.