The purpose of the study is to consider the status of state support, to determine its main trends in Russia, including in the radio-electronic industry, in connection with the harmonization of trade and industrial policy. To achieve the purpose of the study, the main approaches to the concepts of "harmonization", "harmonization of trade and industrial policy" were studied, the place of state support in the structure of the mechanism for harmonization of trade and industrial policy was determined, the problems of state support both in general and specifically in the radio-electronic industry were formulated, the ways of solving these problems were suggested. Within the framework of the study, legislative documents related to state support of the radio-electronic industry are analyzed, its main characteristics are determined. The relevance of state support of enterprises of the military-industrial complex, whose main activity is concentrated on the production of radio electronics, is shown. Possible ways of improving the activities of enterprises of the military-industrial complex are proposed, the use of state support tools of an institutional nature is highlighted. The results of the study have novelty and originality, expand the theory and practice of the issue of harmonization, since they focus on those aspects of it that were not previously considered in detail.