In the Qing Dynasty, Okinawa paid tribute to China once every two years. During each tributary period, Okinawa tributary mission brought table file and tribute to China, and the Okinawa government also take the opportunity to set local products to China for tributary trade. When the tributary trade ended and returned to Okinawa, Okinawa bought a large number of Chinese goods. The China-Okinawa relationship archives detailed recorded of each transaction goods of the name、number and the number of duty-free silver, it truly reproduction of the trade exchanges grand occasion between China and Okinawa at that time, therefore the China-Okinawa relationship archives provide an accurate historical data archives for the study of external economic history of the Qing Dynasty.