The article presents the results of the national scientific conference "The Legacy of V.I. Lenin: Theoretical and Practical Values", held online by Ho Chi Minh National Political Academy jointly with the Central Propaganda Department, the Central Theoretical Council of the Central Committee of the CPV and the Vietnamese Academy of Social Sciences. The main issues discussed at the conference were as follows: V.I. Lenin's role in the development of Marxism, the significance of the Leninist concept of the national-colonial issue for the oppressed peoples, the importance of Marxism-Leninism for the Vietnamese revolution, for the construction and defense of the motherland. It was noted that, despite the collapse of the model of real socialism in the USSR and the socialist system as such, Marxism-Leninism remains a living and creative ideology, capable of advancing revolutionary forces.