The aim of this article is to try to find the application model of legal principle. For this purpose, this paper will focus on the problem by five chapters. First of all, it is necessary that to make a definition of legal principle, because this is fundament of the application of legal principle. The second, to make a research on fields and conditions of applications of legal principle. The third, to make a research on the method of type to the application model of legal principle. The fourth, we will focus...