Core support capacity is a relatively new and important concept for construction of military-civil integration equipment support system. The necessity of military-civil integration equipment support system based on core support capability was analyzed. The connotation of military-civil integration equipment support system based on core support capability was researched. The construction target and mission of military-civil integration equipment support system based on core support capability were brought forward. The construction approaches including top programming，system and mechanism，statute and support resources were discussed intensively.