With the rapid development of information technology,the development of high-performance,highly integrated microsystem integrated circuits is a pioneering development direction.Among them,optoelectronic microsystems are an important branch of microsystems.Firstly,the development of optoelectronic microsystems at home and abroad is introduced.Then,its application areas,technical characteristics and future prospects are expounded,which is of some significance to the popularization of knowledge and development of optoelectronic microsystems technology.