Based on the review of traditional prediction methods,the paper forward a system composed of grey theory and neural network theory,and an ameliorative method on its function is studied.

• 在分析考察传统预测分析方法的基础上，本文提出了一个由灰色理论和神经网络理论组合的预测系统，并针对系统性能的改善和提高进行了深入的研究。