Dialectical logic is a scientific discipline that studies dialectical thinking, providing people with sharp thinking methods and creating a solid premise for effective awareness and practical activities. In the Innovation period, the contingent of cadres at all levels in Vietnam now plays a vitally important role in the process of building and developing the country. Therefore, promoting the social function of Marxist dialectical logic in the activities of cadres at all levels is of urgent significance and contributes to affirming the value and vitality of Marxist-Leninist philosophy in particular, Marxism-Leninism in general, both have the effect of orienting the working activities of the cadres to be conducted scientifically and effectively, contributing to building a strong and prosperous country.