Abstract: There are rich industrial heritage foundation and distinctive northern modern industrial culture in Shenyang. It is an inseparable topic for urban development to protect the industrial heritage and inherit industrial cultures. Based on national policies of multiple plannings in one and the background that urban renewal affects the protection of the industrial heritage to a certain extent, the problems of damage to the industrial heritage, lack of coordination between protection and renewal plannings, and the low degree of reuse of the industrial heritage were analyzed. The context of multi plannings in one for the industrial heritage protection and reuse mode was constructed, the planning strategy of the industrial heritage was constructed, which included “the overall planning for heritage-protected block connection”, “the detailed planning for connections of the blockes”, and “hierarchical management of protected objects.” In order to construct a practical and effective guiding way for Shenyang's industrial heritage protection and reuse and urban development, it was necessary to improve the management platform of multiple maps in one to resolve the differences, and form the reuse strategy of “repair and display class, use function class, transformation and replacement class”.