With the rapid development of smart grid, intelligent high-pressure equipment to be more concerned about the industry. Intelligent component for high-voltage equipment and smart grid construction of great significance. The starting point of the article is an intelligent equipment, considering the intelligent substation architecture and development. Put forward high-voltage equipment, the realization of ideas and two implementations for intelligent GIS equipment. Focusing on the design of secondary system function, including measuring, testing, measurement, control, protection and other functions into one intelligent component IED, put forward several markets in the process of practical problems on the intelligent component.