On this day 54 years ago, on April 10, 1971 (March 15, 1971 lunar calendar), the US table tennis team visited China, opening the door to Sino-US relations. Zhou Enlai received the first visiting US sports delegation after the founding of the People's Republic of China. From April 10 to 17, 1971, the US table tennis delegation participating in the 31st World Table Tennis Championships held in Nagoya, Japan, visited our country at the invitation of the Chinese table tennis delegation, opening the door to Sino-US exchanges after 22 years of isolation. It was praised by international public opinion as "table tennis diplomacy". During the 31st Table Tennis Tournament, the US table tennis delegation expressed to the Chinese table tennis delegation that they hoped to visit China after the competition. On April 6, the game was coming to an end. Chairperson Mao Zedong changed his original intention and made a decision to invite the US table tennis delegation to visit our country. On April 10, the chairperson, head of the US Table Tennis Association and athletes Cohen and Rezek arrived in Beijing. Premier Zhou Enlai made specific arrangements for the visit, pointing out that this visit is a very good time to open up the situation of Sino-US relations. This move had an impact on the breakthrough of Sino-US relations and was hailed as "small ball pushes big ball." On April 14, Premier Zhou met with the table tennis delegations from the United States, Canada, Colombia and other countries in the Great Hall of the People, and had a long conversation with the US delegation. The Chinese and US table tennis teams held a friendly match. American friends also toured the Great Wall and visited Tsinghua University and other places. On the same day, US President Nixon issued a statement to take a series of measures to improve and loosen relations between the two countries. The friendly exchanges between the table tennis teams of China and the United States have promoted the process of normalizing relations between China and the United States. Members of the US table tennis delegation toured the Great Wall