During his lifetime, President Ho Chi Minh always paid attention to the work of building and rectifying the Party. To ensure that the Party is always pure, strong, truly “moral and civilized”, and maintains its leadership role in the revolutionary cause, he reminded each cadre, party member and party organization to always promote “self-criticism and criticism”. This instruction of His Holiness has great meaning and importance, especially in the current period, when the entire Party, the entire people and the entire army are promoting the work of building and rectifying the Party. The article addresses the issue of Ho Chi Minh’s ideology on implementing the principle of self-criticism and criticism and proposes a number of measures to improve the quality of self-criticism and criticism according to his ideology. contributing to the building and rectification of our Party in the current period.