Abstract: With the international tourism construction in Hainan Island in full swing today, the CPC Central Committee and the State Council attach great importance to the southernmost land of the motherland, which has been handed down from generation to generation for Hainan people. Hainan Island has been the frontier area of China since ancient times. Under the constraints of various natural and social conditions, developing export-oriented economy has become the development direction of Hainan Island. Hainan Island has been a frontier area of China for a long time. Under the constraints of various natural and social conditions, developing export-oriented economy has become the development direction of Hainan Island. Since the Western Han Dynasty was incorporated into the territory of the motherland, until today, the economic development of Hainan Island mainly depends on import and export trade, so it is necessary and possible to study Hainan's import and export trade. From the Western Han Dynasty to today, Hainan's economic development mainly depends on import and export trade, so it is necessary and possible to study Hainan.

In the long history, I think Hainan during the Republic of China was the most special. In the long history, I think Hainan in the Republic of China is the most distinctive. Like other parts of the motherland, Hainan Island in the Republic of China was undergoing rapid social changes, and its politics, economy, culture, social life and other aspects were facing "unprecedented changes for thousands of years". Like other parts of the motherland, Hainan Island in the Republic of China was in the process of rapid social changes, and its politics, economy, culture, social life and other aspects were faced with a "situation that remained unchanged for several years". Under such a social background, how did Hainan Island study Hainan's foreign trade during the Republic of China? Under this social background, what influence did Hainan Island and Hainan's foreign trade have on the import and export trade during the Republic of China? This supports the pillar industry of Hainan's economic development. What changes have taken place in this great change? Hainan's economic developers insist on pillar industries. Under this great change, where is another change? Furthermore, in the turbulent thirty years of the Republic of China, can we further explore the new changes in Hainan's economic development from the perspective of Hainan's foreign trade? Furthermore, in the turbulent 30 years of the Republic of China, can we start from the trade of Hainan Island and further explore the new changes in Hainan's economic development during this period? I think this is very valuable for research and investigation. I think this is the value of investigation visit.

Keywords: Hainan Island Hainan Economic Import and Export Trade Keywords: Hainan Island Hainan Economic Import and Export Trade in the Republic of China