关键词: RFID，云服务，标准服务，SPDL，中间件

Abstract: RFID technology is the core technology of application of Internet of Things (IoT). Integrating IoT applications to business process of enterprise system using cloud services saves amount of developing work. I}his paper proposes an RFID process definition language (SPDL) based on cloud services, defines the RFID standard services, which build RFID service flow model in plugin form,designs the parser of process model based on SPDL,which meets the requirements of deploying service flow dynamically, and makes a simulated experiment targeting the tobacco logistic distribution as application object at last.

Key words: RFID, Cloud service, Standard service, SPDL, Middleware