Terminology policy and terminology planning are new area in the terminology research. As the two terms involve multi-disciplines and domains, the making of the terminology policy and the concept of the terminology planning are becoming more complicated. To enable the Chinese terminologists to gain a deeper insight into the advantages as well as the problems of the terminology policy and planning, the paper discusses the issues of understanding the terminology policy and planning from four aspects, hoping that it can clarify some people's fuzzy ideas about the problem.