为推动上海国际航运中心的建设，本文构想在横沙东滩开展上海深水新港的规划建设，并推动现有港口管理体制和建设机制进行改革，实现新的突破。通过回顾、分析、对比和总结我国各大港口及国外主要港口建设机制的成功经验，从效益及可行性等方面，为构想中的横沙深水新港实施市场化的建设机制提出了建议，同时提出了建设“上海自由港”的设想。

In this paper, on the basis of natural river regime evolution and relevant planning, the relationship ,between the Hengsha land formation and development and natural river regime evolution in the Yangtze river estuary,a number of plannings including integrated remediation project,waterway development,marine functional,environmental protection,land reclamation,port construction, has been researched.