A series of development plans implemented by the US and Europe in recent years to promote the application of composite in aircraft are summarized.The importance and value of developing the liquid composite molding technique for the development of the aviation composite field are illustrated.The current status of the technology and application of liquid composite molding for military and civil aircraft in advanced technology countries is analyzed and summarized. Additionally， the representative progress and application status of domestic liquid forming technology for aviation composites is compared and analyzed. Finally， the gap between China advanced technology countries is summarized. On this basis， the development trend of aviation composite and liquid forming technology is outlined.