The article examines how the Chinese economy and the world economy are connected. They found that the Chinese economy has been doing better than the world economy since China's economic reforms, but it is more volatile. The relationship between the two economies has shifted from strong to weak, but overall it is weak. The Chinese economy is influenced by the world economy, with the world economy having a larger impact. Foreign trade and foreign direct investment have strong effects on the Chinese economy. The total foreign trade volume has a significant impact on the world economy.