随着现代教育技术的兴起,以多媒体为代表的现代教育技术在高中数学教学工作中得到了有效应用.在很大程度上促进了学生学习兴趣的提升,同时对教学质量的提升也具有十分重要的作用.分别就多媒体技术在高中数学课堂教学效率的优化,知识体系的演示,重难点的突破,课堂练习的设计等方面的应用进行了探究.旨在与同行进行业务交流,以不断促进高中数学教学工作的有效开展,从而促进高中数学教学质量的提升. With the rise of modern educational technology, modern educational technology represented by multimedia has been effectively applied in high school mathematics teaching, which has greatly promoted the improvement of students’ learning interest and also played an important role in improving teaching quality The paper probes into the application of multimedia technology in optimizing high school mathematics classroom teaching efficiency, demonstration of knowledge system, breakthrough of heavy and difficult points and design of classroom practice, etc. It aims to exchange business with peers to promote high school Mathematics teaching work effectively, so as to promote high school mathematics teaching quality improvement.