Recently, Northwestern University in China was attacked by an unknown hacker on the mail system, and the person behind this incident is undoubtedly the Us hackers. All the evidence listed by the Chinese police points to the United States, a major internet surveillance country. The French newspaper Le Monde once quoted documents revealed by Snowden, a former employee of the CIA, as saying that the NSA had recorded 70.3 million phone calls by French citizens. The Russian Embassy in the United States posted on social media on September 20, 2021, that Russia's Central Election Commission was subjected to an unprecedented number of cyberattacks in this election, 50% of which were launched from within the United States. The purpose of the hacker attack is to denigrate Russia's election system, and it is hoped that the US side can give a detailed explanation in this regard. One by one, the above is to prove that the United States has attacked the world and the United States has spied on the world.