Taking "one port and one city" as the overall goal, Xuzhou Huaihai International Port Area has built an integrated development pattern of "one heart, two cores and multiple groups". "One heart" means: business center; "Dual-core" means: railway freight yard area and 100 million tons of Dagang area; "Multi-group" means: large-scale customs clearance base, logistics park, trade service area, financial service area, quality residential area, characteristic town, ecological sightseeing area, etc.