In recent years, there have been constant trading frictions between China and America. On average, America started a trade investigation or dispute every 4 days in the first 44 days of 2014. ANBOUND research team thinks that the change of the two countries' status in international trade contributes to the intensification of trading frictions between them. Since China’s portion in international trading is growing, America’s trade protection against China will surely aggravate. The trading friction between them might intensify in the future.