Disruptive technology selection is the behavior of predicting, identifying, evaluating and judging the development status and future trend of subversive technology within a certain range. Its purpose is to determine the future national military, industrial and economic development priorities and plan scientifically and effectively.Based on the in-depth study of domestic and foreign disruptive technology selection status and prediction and evaluation theory, combined with China's development practice, this paper studies the system framework of disruptive technology selection and evaluation in theory, and puts forward the basic ideas and operation process of disruptive technology selection.