The exploitation of land resources of nonresident islands is paid more and more attention to. According to the field investigation and the data from other academic literature, reference to related land resources classification system as an evaluation framework, from the perspective of the protection and development to select the indicator, the paper established the suitability evaluation system of land resources of nonresident islands in Shanghai by the means of AHP and Delphi. It calculated the indexes of protection and development of land resources,and analyzes the statud of 6 alluvial islands in Shanghai, the result suggests Jiuduan Sha and Qingcao Sha should be limited to development, Dongfengxi Sha, Biandan Sha and Huanggua Sha should be suitable for development. The development direction of the islands is the land and the tidal flats resources, in addition to the development direction of the Qingcao Sha is land resources.