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In this paper, a scheme of a smart supermarket shopping guide system(SSSGS) based on the technology of Internet of things is proposed. The most critical issue of SSSGS is product identification and information acquirement. This system combines electronic tag with identification technique in the Internet of things. The electronic tags are applied to the product identification. The wireless technique and identification methods are employed to transfer and determine the product information automatically. The function and properties of SSSGS are analyzed. The combination of the RFID network system and Zigbee network applications are investigated. Some middlewares in communication task and the system of the SSSGS are proposed. And also we discussed the problems and corresponding solutions that may occur in the system The system is a guidance on future shopping which makes it comfortable and enjoyable for clients.