Abstract: In this paper, the role of Integrated Support in modern wars is discussed from its research objects and contents, it is put forward that Integrated Support should be carried out in such ten aspects as maintenance layout, supply support, technical materials and training support etc.. The matters which should be considered during Integrated Support are also given and remedy measures should be done from Integrated Support to improve the operation efficiency of radars in service. It is described in detail that Integrated Support is an effective way to improve the operation efficiency of modern radars.