197 1 why did Kissinger visit China in secret?

(1) The cold war is not over yet; China and the United States are two political systems; As a representative of western countries, every move of the United States is concerned by the whole western world, and Kissinger's visit to China will also be concerned and interfered by the whole western world and the Soviet Union.

[2] The US Congress was divided into two factions at that time, especially the Democratic Party supported Taiwan Province Province at that time, so it was necessary to keep a low profile before the formal establishment of diplomatic relations;