The subject or legal science in the narrowest sense are law and fairness in treatment. The term “law” implies values, ideals, principles and legal norms, that is, all those formal informative rules on which they are based the overall social relations of a community. Therefore, legal science represents a comprehensive matter that has the task of using concrete legal standards and apply to individual cases in judicial and administrative practice. The subject of the legal methodology is to study the means by which within the framework of legal science seeks to understand concrete truths about law. This is a system used to investigate how normative legal norms are produced, how they are interpreted and how they apply to specific cases legal practice. Basic assets of legal knowledge appear as legal methods and legal technique. Legal methods are defined as means of scientific knowledge by means of which solutions for legislative, judicial, and administrative power are found. On the other hand, by contrast, the legal technique represents the type of methodological means that they’re right to use it to investigate the most demanding are of legal of science, which is the application of legal norms to individual cases in legal practice.