In the context of building a new model of the major country relationship between China and the United States，this paper focuses on the study of the Chinese public's national impression of the United States.The data analyzed came from the national survey of Chinese people conducted by the national institute of the communication strategy of Huazhong University of Science and Technology in 2016-2017.The results show that，firstly，more than half of the respondents said they“know”and“know”the United States better than they know our immediate neighbors，Japan and Russia.News websites，television，and social networks are common channels used by respondents to reach news about the United States.Secondly，respondents had a weaker positive impression of the United States and then-president Barack Obama，while higher earners had a better opinion of the United States and Obama.Thirdly，in the political，economic，scientific，technological and military fields，the United States is the world's largest country among Chinese respondents.Fourth，in the eyes of interviewees，sino-us relations are of vital importance.While one-third of respondents consider the United States a competitor to China，the United States is seen by more people as both a competitor and a partner to China.