简要介绍了生物传感器的结构、特点,并对两类新型生物传感器———压电生物传感器和光生物传感器的结构、原理及其在生物医学工程中的应用作了扼要分析,探讨了生物传感器的研究进展、发展动向及应用前景。 关键词: 生物传感器; 压电生物传感器; 光生物传感器 Abstract : The structure and characteristics of biosensors are introduced. The framework and principle of two new types of biosensors and their applications in the biomedicine engineering are analyzed. Moreover ,the recent research evolvement ,development trend applied prospect are discussed. Key words : biosensors ; piezoelectronic biosensors ; optical biosensors