Jiangsu Province has the most special and abundant tidal flat resources. According to the latest statistical results of reclamation and combined with the “908” survey results in Jiangsu Province, the current situation of tidal flat resources is summarized and analyzed. Through field investigations, the needs of development and utilization of tidal flat resources are investigated. Three restricting factors, development and utilization efficiency and mechanism of tidal flat reclamation and establishment of coastal ecological civilization, are analyzed. Some countermeasures for reclamation of tidal flat resources are put forward as follows: high-efficient development and utilization, improvement of utilization mechanism, overall consideration and green development.