China's economic and financial system has been greatly impacted, Sino-US economic and trade exchanges have been destroyed, and China's international status has been challenged.

1. First of all, the hard decoupling between China and the United States will lead to a great impact on China's economic and financial system, thus affecting China's economic development and social stability.

Secondly, the hard decoupling between China and the United States will undermine Sino-US economic and trade exchanges, affect China's exports and imports, and then affect China's economic development.

3. Finally, the hard decoupling between China and the United States will challenge China's international status, thus affecting China's international image. Finally, the hard decoupling between China and the United States will pose a threat to China's security, thus affecting China's national security.