对佳木斯铁路分局以往在设计文件审批工作中所采用习惯做法的弊端进行了剖析，提出设计鉴定制的审批方法，详细阐述了该方法的工作程序及应用所取得的良好效果，并对如何进一步做好设计文件鉴定提出了改进措施。 The defects of the customary practices adopted by the Jiamusi Railway Sub-bureau in the past in the examination and approval of design documents were analyzed, the approval method for the design appraisal system was proposed, and the working procedures and application of the method were described in detail. Good design document identification put forward improvement measures.