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This paper analyzes the explosion-proof principle of a variety of explosion-proof electrical equipment, explosion-proof zones for factories and applicable areas for coal mine explosion-proof products, as well as the standardization of explosion-proof electrical equipment in China, and puts forward special requirements for the explosion-proof use of coal mine in China. This paper discusses the development process, technology status and development direction of explosion-proof electrical equipment in coal mines in China, predicts the technical approaches and development priorities of explosion-proof electrical products in coal mines in the future, and points out the urgent problems of explosion-proof electrical equipment in coal mines in China.