It is of great significance to adhere to the principle of unity of knowing and doing in learning. First of all, adhering to the unity of knowing and doing is conducive to the mastery of knowledge. After learning a theory and knowledge, you can't wait to put it into practice, which is conducive to understanding and mastering knowledge. Secondly, adhering to the unity of knowing and doing is a bridge between theory and practice. If you can't combine knowledge with practice in your study, you can't apply theory to practice. At the end of the ideological report, adhering to the unity of knowledge and action is the premise of cognitive development.