Service trade is an important prolongation direction of high-end of global value chain for processing trade. According to the service trade definition of WTO and IMF，the paper focuses on the current lack of statistics on the new type of service format. Meanwhile，the paper proposes three policy countermeasures：the first is to transfer the enterprise as basic statistical unit，the second is to specify the obligation of active statistical declaration for enterprises，the thirdly is to improve the audit mechanism combining enterprise declaration with key-point investigation.