The utility model relates to a tourism electronic commercial tenant information authentication management system based on cloud platform includes and synthesizes data processing of information server and the client terminal based on cloud processing, and wherein the client terminal is a plurality of, and between each the client terminal each other parallelly connected and respectively with synthesize the data processing of information server based on cloud processing and communicate each other, synthesize based on cloud processing and all connect through data processing of information 0 between data processing of information server and the the client terminal. This new system structure and operation expense are cheap, and data communication signal stabilization and security are good, and it is extensive to cover the face territory to have good commonality and scalability, thereby can be effectual satisfy to all kinds of electronic commercial tenant information authentication management' s needs among the tourism industry.