Ethnology is the social science that studies and compares the different peoples and cultures of the ancient and modern world. Some authors consider it a discipline and method research of anthropology.Ethnology studied systematically and seeks to establish comparative relationships among the characteristics of the different human peoples from different aspects such as cultural diversity son:1.: La Ethnology conceived the culture as a plurality and in opposition to nature. Thus, the study of culture requires analysis of the relations that unite and divide both dimensions in human societies and also to clarify what is universal in the man and what is arbitrary in their behavior, leading to a reflection on the links that unite the natural laws with rules culturales.2.Parentesco between different societies and their influencias.3.Subsistencia and economic systems of the cultures or civilizaciones.4. religion and expression symbolic transcendental.5. family organization, social and political systems