ＩＮＤＵＣＥ算法采用自顶向下判定树归纳的学习方法，不仅具有健壮性好、效率高和正确率高等优点，还具有增量学习能力，可以动态修正概念描述的不足．该算法还运用了构造性归纳的思想，在学习过程中生成新的描述子，使概念描述空间搜索的效率得到提高．运行实例表明，ＩＮＤＵＣＥ具有很好的应用前景． INDUCE algorithm adopts top-down decision tree induction method, which not only has the advantages of good robustness, high efficiency and high accuracy, but also has incremental learning ability, which can dynamically correct the lack of concept description. The algorithm also uses the idea of ​​constructive induction to generate a new descriptor in the learning process, so that the efficiency of the concept description space search is improved. The running examples show that INDUCE has good application prospects.