In the period from 2016 to 2020, the entire Party, the entire people, and the entire army implemented the Resolution of the 12th Congress in the context of complex and unpredictable developments in the world and in the country, creating a difficult time. opportunities and challenges for the Vietnamese revolution. It is necessary to evaluate achievements and limitations and draw lessons from 5 years of implementing the Resolution of the 12th Party Congress, creating a premise for implementing the Resolution of the 13th Party Congress to achieve higher results.