Security and development are two wings of one body.Cybersecurity capability plays an important role in digital competitiveness.Infrastructure Construction,economic and technological development lay an important foundation for cybersecurity capability.Based on the main network and digital development and security-related indexes,a comparative analysis of the network strength,digital competitiveness and cybersecurity capability at home and abroad is made.Then,from the organizational,technical,capacity development and cooperation dimensions,the experience of main countries to enhance the strength of cybersecurity has been summed up.Finally,combined with the international useful experience,suggestions on how to improve the level of cybersecurity ability in China has been given.