Based on Radio Frequency Identification(RFID) principle, Sample Information Management System(SIMS) is built by integrating a high degree custom acquisition system and newly designed RFID tags. The basic working principle and design ideas are introduced in detail. The proposed system can solve the problem of low recognition rate for bottled and boxed liquid, and substantially increase the recognition rate of ordinary material samples. The flowchart of the program design is put forward. The identification system is designed for the sample management from the perspective of efficient identification, scientific management and simple application.% 基于射频识别原理，集成高度定制开发的采集系统和全新设计的 RFID标签，构建样品管理系统。重点阐述了该系统的基本工作原理和设计思路，解决了瓶装和盒装液态识别率较低的难题，大幅提高普通材质样品识别率，并给出程序设计方案流程图。从高效识别、科学管理与简单应用的角度设计适用于样品管理的识别系统。
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