By means of the method of the multiple linear progressive regression, this paper deals with quantatively the controlled factors which affect the pond fish product, selecting the factors which are highly relative to it, and building its forecast model.The forecast model for fish farms in Chongming county isy = 144.6667+1.0704x1-2.2712x2+ 1.1337x3+ 2.6982x4+ 0.5079x5 The forecast model for joint managemental fish farm isy = 226.9066+0.9724x1 + 2.0751x2 + 1.7S99x3 + 0.32Cex4 + 0.6773x5