提出了一种定性模型的自动建立方法，它可以输入定性行为或定量行为，并可利用已有的系统结构信息，来自动建立系统的结构模型，并将该方法与同类的建模方法作了比较，最后就其未来工作和应用前景作了分析和讨论． An automatic method of establishing qualitative model is proposed, which can input qualitative behavior or quantitative behavior. The existing system structure information can be used to automatically establish the structural model of the system, and the method and the similar modeling method are made Comparison, and finally analysis and discussion of its future work and application prospects.