Abstract: At present,the changes unseen in a century have interacted with global epidemic,and the world has entered a period of upheaval and change.There has been a marked increase in the number of sources and risk points,pushing us into an overall risk world whose origin should be explored from a panoramic survey of multiple dimensions,such as practice,system,civilization and reality.The risks during this period are mainly represented in the forms of scientific and technological risks,ecological risks,economic risks and political risks,and the various risks are intertwined to form a risk complex.The Chinese Communists have put it in a prominent position to prevent and defusing risks,coordinate the overall situation at home and abroad,persist in running their own affairs independently at home,adhere to the road of Chinese-style modernization,abandon dualistic thinking abroad,and advocate the common values of all mankind,which will promote a community with a shared future for mankind.

Key words: period of upheaval and change, risk world, Chinese-style modernization, community with a shared future for mankind