Contents: Chapters: 1 - Different conceptions ( of West & East and Marxism & Vietnam Communist Party ) regarding social equity. 2 - Implementation of equity in some countries of the World ( in mainland China, Southeast Asian, in Switzerland. 3 - The issue of equity in Vietnam today. The key methodological principles in concept & implementation of social equity. Some urgent theoretical & practical problems on social equity's implementation in Vietnam today. Combination of economic growth & social equity for implementation of the goal of humanism society of sustainable development. Building & enhancing / perfecting social welfare - a key tool for reduction of social inequality in the process forwarding implementation of social equity in Vietnam. Conclusions.