Abstract: Territory space ecological conservation and restoration planning is an important special planning in the territory space planning system, among which the identification and demarcation of the conservation and restoration area is the key content of the planning. At present, the territory space ecological conservation and restoration of provincial research conducted less, so the research taking Jiangsu Province as the study area, by building a multi-level index system for the important area and ecological sensitive area and its hierarchy in the identification of evaluation, and then integrated the two results to demarcate the ecological conservation and restoration areas at all levels in Jiangsu Province. The results showed that: (1) The ecological conservation and restoration area of Jiangsu Province could be divided into the key ecological conservation area, the key ecological restoration area and the general ecological restoration area, with the area of 17 548, 4 688 and 16 981 km2 respectively, accounting for 16.17%, 4.32% and 15.65%. (2) Key ecological conservation areas mainly include lake areas such as Taihu Lake and Hongze Lake, the lower reaches of the Yangtze River transit section and the eastern coastal wetlands, etc. Key ecological restoration areas are mainly distributed in Taihu Lake basin in southern Jiangsu Province, along the Yangtze River, and Yi-Shu-Si river basin in northern Jiangsu Province. The general ecological restoration areas were mainly concentrated in the northern Yi-Shu-Si river basin, Huaihe-Lixia River basin in central Jiangsu Province, the upper reaches of the Yangtze River transit section and the eastern coastal areas, and the rest were scattered in northern Jiangsu Province. (3) The key ecological conservation area is mainly composed of water area and wetland, while the key ecological restoration area and general ecological restoration area are mainly urban peripheral area and agricultural production land.