长期以来，税收信息的采集主要是通过税务部门手工录入的形式实现，采集工作量大、渠道单一，信息的准确性对纳税人的依赖性较强。建立起税务机关与外部门间的信息交换和共享机制，不仅可以拓宽税务部门的信息采集渠道，减少部门间信息采集的重复劳动,而且，通过部门间信息的及 For a long time, the collection of tax information is mainly realized through the manual input of the taxation department. The collection workload is large and the channels are single. The accuracy of information is more dependent on taxpayers. The establishment of a mechanism for information exchange and sharing between the tax authorities and external agencies can not only broaden the channels for collecting information in tax departments and reduce duplication of effort in the collection of information between departments,