The invention provides an automatic metal electronic commerce price information generation system and method. The system is characterized in that the system is provided with a price information calculating server and a price information early warning server and meanwhile is provided with a time strategy calculating method, a price strategy calculating method and a system platform background operation server, wherein the price information calculating server and the price information early warning server depend on internet. The system supplies standardized service to merchants and end consumers of the metal internet industry and supplies guide service to industry price information. The system provides supply and demand information arranged according to areas, cities, varieties and the like. A system platform can perform statistic analysis on area price information tendency and prediction of metal varieties conveniently. The system can achieve supply and demand information complementation with the end consumers. The system can be used by users at two ends conveniently. Seller members and buyer members achieve metal industry chain connection electronic commerce through the automatic metal electronic commerce price information generation system and method.