Purpose of the research is to study the influence of the traditional norms and customs on the formation of the Vietnamese law in the pre-colonial period, to show their influence on the legal consciousness of its residents during the French protectorate, to substantiate the fact that this influence prevented the French colonial administration from establishing its rules without regard for the local specifics. The basic approach to studying the law of Vietnam in the colonial period is the civilisational approach which is based on the idea of correlation of law and economy, with a predominant consideration of spiritual, moral and cultural factors of the social development. The general methodological basis is presented by the dialectical method...