The upcoming G20 summit in Hamburg will be another around of political contention of globalization and trade freedom. This contention may form a 19: 1 disparity in terms of ratio, because the opponent United States is the world's largest economy, and the European Union and the United States have diverge views on globalization, free trade and global climate change. Once these differences become trade disputes, there will be significant impact on the global economy. In the face of the complexity of the global economic and trade situation, China should take the initiative to adapt to changes based on the situation, actively participate in globalization, promote trade liberalization, and seize this significant strategic opportunity for its future.