Abstract:With the rapid development of decision-making support, quantitative predictions in economic work is becoming more and more important. An economic indicators forecasting system based on.NET framework is proposed. The component technology is used to achieve a variety of forecasting methods, and a common?prediction model?library is built. A most suitable prediction model is selected for a certain index data through model preferred mechanism. The system works well on forecasting the rural per capita net income of Chengdu.