Abstract: This paper holds that the reaction of inversion of applicable social sciences research achievements upon productive forces is multifold, indirect and far-reaching. Unlike the inversion of natural sciences research achievements,which produces di recteffects upon productive forces through changing their fundamental elements or their productive courses, the inversion of applicable social sciences reacts upon productive forces through optimizat ion and conformation of institutions, policies, regulations, decisions, operations, management, etc.

Key words: inversion of research achievements, reaction, character