The advanced deeds of Gu Meizhen, an excellent Communist Party member, model worker and engineer of Shanghai Institute of Instrumentation is introduced. Gu Meizhen learned electronic technology and two foreign languages by self-study. Expert and persist in electronic technology, she not only filled the gap of advanced recorder in China, but also provided modern equipment for navigation, aviation and meteorology. Gu Meizhen's greatest wish is to realize the four modernizations in China.