Democratic life meeting refers to the system of organizing activities in which leading cadres in party member carry out criticism and self-criticism. Democratic life meeting is an important part of inner-party political life, and it is also an important way to carry forward inner-party democracy, strengthen inner-party supervision and rely on leaders to solve contradictions and problems. Adhering to and perfecting the democratic life meeting system is a magic weapon to ensure the unity of the party and maintain its advanced nature and purity.