湖南公众科学素养趋势预测和对策研究是通过复杂系统仿真来实现的。复杂系统仿真是现代科学预测和对策研究的重要工具。通过实例介绍了复杂系统仿真的全过程，包括建模、演化、预测和外部事件刺激影响等。并提出了有效的对策措施。

Complex system simulation is an important technique for scientific forecast and decision-making investigation. By this means, direction forecast and decision-making investigation of public scientific literacy of Hunan Province are achieved. With this case study, this paper presents the whole course of complex system simulation, including modeling, evolving, forecasting and stimulating by external-event, etc.