posterior esta en conflicto con ellos tambien ha paralizado su eficacia.Palabras claves: Soberania - supranacional - Supremacia del Interes Publico - Tratados - Dignidad - Persona Humana - Mercosur.ABSTRACTThe international human rights treaties signed by Brazil and the Mercosur countries that devote significant human rights. However, the hierarchy of treatment before the law in these countries is the identification scheme, which creates legal uncertainty, which justifies the need to point out that the hierarchy of human rights treaties on the laws of the countries MERCOSUR. Therefore, there is an urgent need for effective feature of human rights, in short, to understand the historical development of internationalization of human rights, identifying the difficulties of enforcement of human rights, to understand institution of the treaties, their idiosyncrasies and legal relevance, such as booking, conditions of validity, construction and completion, to consider how to incorporate treaties into domestic law, to identify the theories that address the relationship between law international and national study of the position of jurisprudence and doctrinal theories on the situation of human rights treaties, and to identify the hierarchical level of human rights treaties against the national legal system and this work fits the theme State primary and Citizenship. The method adopted for the study is deductive scientific and technical research literature is the analysis of documents, laws, regulations and international treaties and appointments to productions of doctrine and jurisprudence of the positions on the issue. Indeed, the constitutional provision on the prevalence of human rights, the principle of prohibition of social decline, said the possibility of human rights treaties and constitutional amendments will be incorporated and the growing internationalization of human rights, international human rights treaties have The Humans have constitutional status (international treaties, human rights, hierarchy). The conclusion that, in view of supra-legal character of international normative instruments, the subsequent constitutional law is in conflict with them has also crippled its effectiveness.PALAVRAS - CHAVE: Sovereignty - Supranacionalidade - Supremacy do Interesse Publico - Treaties - dignity - Pessoa Humana - Mercosul.LOS TRATADOS INTERNACIONALES Para entender lo que es Supraconstitucionalidade de los Tratados, requiere un conocimiento breve de lo que es un tratado, como se forma, ya que incorpora los derechos legales de los padres, cuales son sus condiciones de validez, y que se extingue como las tecnicas de interpretacion tratados. Lima (1998, p. 15-16) narra la historia revelo que el primer tratado escuchado fecha de 3200 aC fue firmado entre las ciudades de Lagash y A, y estaba destinada a fijar los limites de las dos ciudades despues de la la guerra tuvo lugar entre ellos. Tambien se encontro un tratado firmado entre Ramses II, faraon de Egipto, y III Katussil, rey de Hitidas, el periodo comprendido entre 1280 y 1272 aC Fue un tratado que se ocupa de descomposicion bastante completa de las areas de influencia, la extradicion de los enemigos, el establecimiento de limites , los compromisos para la paz, asilo politico, entre otros. Pero fue a partir del siglo XVI que los tratados internacionales tienen la configuracion que se mantiene hasta nuestros dias (apud VIGNALE LIMA,