Ethics and law are social values that are universal and came into being very early. In Vietnam, Ho Chi Minh is the first person who discovered the similar points and unity of ethics and law in order to combine them in solving problems of the social life, in managing the society and developing the country. Therefore, the analysis and clarification of the foundation of the combination and the manifestion of the combination as well as the value of the combination of ethics and law in accordance to Ho Chi Minh's thought have profound theoretical and practical relevance.