On the 26th, 100 days before the presidential election, news organizations such as CNN, CBS, and NBC announced a series of polls. The results showed that Trump’s support rate was in Florida, The key states that won in 2016, such as Arizona and Michigan, lag behind the Democratic presidential candidate Biden. In another poll launched by the Associated Press, as many as 80% of American respondents said that the country is going in the wrong direction, and the public's dissatisfaction with the current government is evident. Right now, the United States is still struggling in multiple crises: in the wave of protests that “blacks’ lives are also fate,” Portland protesters were forcefully suppressed by federal law enforcement officers and became “new catalysts” that aroused public anger. The city was caught in a large-scale riot last weekend; in terms of the epidemic, the number of new confirmed cases of new coronary pneumonia in the United States is still hovering at a high level of more than 50,000. The US President's National Security Affairs Assistant O'Brien was also unfortunately "recruited."