中文摘要：

用奇点理论的方法对函数芽的相对通用形变进行了研究，定义了函数芽的相对余维数和相对通用形变，给出了相对函数芽的相对通用形变定理及相对通用形变与通用形变之间的关系，并给出一个具体的例子．

英文摘要：

The relative universal deformation is studied by the methods in singularity theory. The defi nition of relative codimension and relative universal deformation of function germs are given in this pa per. This paper discussed relative, universal deformation theory and discussed the relation between u niversal deformation and relative universal deformation,at last gave an example.