The model for forecasting the development of the Science and Technology Development Zones(STDZ) and the High Technology Industry Developrhedt Zones (HTIDZ) is created with the help, of the forecasting theory and technology in system engineering, A scheme for handling the dynamic variables in the model is proposed. The development targets of the Chongqing Shapingba Science and Technology Development Zone in the coming six years are forecasted .by using the model. The model can be used widely to forecast the development of STDZ and HTIDZ and other similar social and economical systems.