The lecture aims to introduce the development of electronics and information industries in Zhejiang Province, as well as the applications of electronic information technologies. In recent years, Zhejiang province has thoroughly implemented a digital economy project, accelerated the development of a new generation of electronic information industry, and actively promoted the innovative development of new technologies, new services and new applications, which is bringing earth-shaking changes to people's life. With digital twin technology and 5G technology, our vehicles, enterprises, buildings, hospitals, factories, farms and whole cities have been digitalized and informationized. And, the research and production of China's first SSD controller chip provides chip-level security for China's information security. Furthermore, as a teaching and research university with outstanding characteristics of electronic information, Hangzhou Dianzi University (HDU) has advanced teaching resources and experimental equipment, strong scientific research strength and outstanding achievements in academic competitions. All kinds of new applications and smart services independently developed by professors and students have brought great convenience to the teaching and life on campus.