Abstract:With the continuous development of the information technology era, the digital economy has gradually integrated into the people's lives and has continued to rise in the national economic construction. The digital economy is based on the digital technology economy, and because the development of the digital economy is closely related to the Internet, the digital economy is also known as the network economy or the Internet economy. The digital economy has gradually become the new kinetic energy of China's economic development under the new normal; and it has unique development advantages such as netizen advantage, late-comer advantage and institutional advantage in China. China has guided the digital economy from a low starting point to a high-speed growth, promoted the optimization of supply structure, led the important engine of economic growth, and penetrated into various fields of society, and is promoting the emergence of new models and new models. However, in the process of the strong rise of the digital economy, the threat of cybersecurity is also increasing, facing the threat of developing the digital economy, building a national information infrastructure system, boosting the development of the sharing economy, helping the sharing of digital economic results, and sharing the experience of digital economic development. Building a new cybersecurity system is critical.