行政审判涉及的法律规范层级和门类较多,立法法施行以后有关法律适用规则亦发生了很大变化,在法律适用中经常遇到如何识别法律依据、解决法律规范冲突等各种疑难问题。这些问题能否妥当地加以解决,直接影响行政审判的公正和效率。而且,随着我国法治水平的提高和适应加入世贸组? There are many levels and categories of legal norms involved in administrative adjudication. The applicable rules of law have also undergone great changes since the implementation of the Legislation Law. In the application of law, they often encounter various difficult problems such as how to identify legal basis and resolve conflicts of legal norms. Whether these problems can be properly resolved directly affects the fairness and efficiency of administrative trials. Moreover, with the improvement of the level of the rule of law in our country and adaptation to join the WTO?