The world today is entering a period of economic development led by the information industry. Since 2017，the global digital economy has entered a golden period that will drive the development of the traditional economy to the new economy. Under the tide of digital economy，cyberspace security presents a trend that is far different from the past。There are more obvious security problems such as new cyber attack，privacy leak and fake news. Cyberspace security is an important issue concerning the security of all countries and regions. However，with the deepening of international cyberspace governance，the competition rivalry between countries for the interests of cyberspace has become more complex and intense，and the development of various international rules is even more difficult. As a the world’s key player，China should seize opportunities presented by the new round of industrial revolution and digital economy，meet the challenges of cyberspace security.