针对近年来多发的食品安全问题，概括性地介绍了近红外光谱分析技术的原理、近红外光谱仪器分类、优势对比及其在食品质量与安全检测中的研究和应用情况。同时，探索性地提出了一种新型的食品安全网络测试分析系统，该系统是由多台基于声光可调滤波器的近红外光谱分析仪器联网组成的。并介绍了该光谱仪器的组成、原理及技术特点，对其在食品安全领域的应用前景进行了展望。最后，对近红外光谱分析技术未来的发展提出了几点建议。

According to the problems of the food safety in recent years, the principle of the near infrared spectroscopy (NIRS) analysis technology, the classification, comparison, research and application of the NIRS instruments in food quality detection are introduced. Meanwhile, a new food safety network test and analysis system is proposed, this system is composed of near infrared spectroscopy instruments based on the acousto-optic tunable filter (AOTF), and compositions, principles and technical features of the spectroscopy instruments are also introduced. In addition, its application prospects in the field of food safety are also showed. Some suggestions on the future development of the near infrared spectroscopy are given.