Sui and Tang dynasties: Japan sent envoys, and official contacts between the Chinese and Japanese governments began. Japan learned from Sui and Tang Dynasties in culture and religion.

Yuan dynasty: Japan ignored the credentials demanded by the Mongolian and Yuan regimes, and war broke out between the two countries.

Ming Dynasty: The trade between the two countries was frequent in the early Ming Dynasty. With the promulgation of the maritime ban in the Ming Dynasty, the direct trade between the two countries was interrupted. At that time, people mainly conducted re-export trade through Portuguese businessmen in Macao;

After the Opium War: After the Opium War, Japan was hit hard, thinking that even China was defeated by western powers, and Japan had no way out unless it reformed. Subsequently, Japan embarked on the road of getting rid of China Thought and completely westernizing;

After the Sino-Japanese War of 1894-1895: After Japan's victory, Sino-Japanese relations reversed for the first time, and the thought of despising China began to spread. China began to learn Japanese political system, military, law, medicine and other western learning (because both countries use Chinese characters);

World War II: a state of total war, and the relationship between the two countries broke down;

After World War II, the two countries broke off diplomatic relations due to the civil war and ideological problems between the Kuomintang and the Communist Party.

After 1972: China and Japan resumed diplomatic relations, Japan provided economic and technical assistance, and the honeymoon period between the two countries;

11990s: The disintegration of the Soviet Union and the replacement of domestic * * * led to the gradual coldness of Sino-Japanese relations;

In 2000, territorial disputes led to the lowest point of Sino-Japanese relations.