Analysis of 200 administrative cases after the implementation of the new Administrative Procedure Law indicates that incidental review on normative documents is carried out from three aspects：the verifiability, the relevance and the legitimacy of the document. The verifiability of administrative normative documents is determined on the basis of the “concrete-abstract”dual framework of administrative action and influenced by the specific formulation bodies. The relevance standard emphasizes that the court must verify whether the normative documents appealed to be examined are exactly the direct basis of the administrative action and dispose of them separately. The standard of legitimacy requires the court to review the formulation authority, procedure and content of normative documents to determine whether they are legitimate and appropriate or not. The connotation of incidental review system of normative documents is thus enriched. Meanwhile, the relationship between executive power and judicial power also needs to be further studied.