All scientific disciplines have theoretical achievements that confirm their right to position themselves among the different branches of knowledge, As the classification of sciences depends on taking into account their historical existence in view of the volume of their information accumulation that preserves their nature. But it does not eliminate the possibility of its interaction with the rest of the other sciences. Within the framework of this idea, the field of social sciences is not isolated from the manifestations of intellectual progress and human innovation, which has been advancing technological development without failure or decline. The importance of this topic is illustrated by the interest in research in the theoretical heritage of the social sciences, which has enriched humanities institutes and university libraries over time. He also contributed to documenting many human phenomena and social pests by observation and analysis. The aim of this study is to determine the methods of field application of the theoretical heritage in the social sciences, especially in the fields of sustainable development, by discovering the epistemic intersection between social theories and their suitability for experimentation at the realistic level, even if relatively.