Rambutan, also known as Litchi pubescens, is native to Malaysia and belongs to the genus Oligopyrum of Sapindaceae, with 36 species. It is a tropical perennial evergreen fruit tree and one of the famous fruits in Southeast Asia. Rambutan is a tropical perennial evergreen arbor plant and a famous tropical fruit. There are not many places suitable for planting in China, and it is a rare fruit. Baoting Tropical Crops Research Institute of Hainan Province successfully introduced and tried planting in 1960s, and it has been cultivated for decades. Rambutan is a tropical fruit tree with great economic value. Enjoy a high reputation in the market, the price is also very high. It has certain adaptability to Hainan, and the southern and southeastern regions are suitable for planting rambutan with high yield and excellent quality. It is a tropical fruit tree with great development prospect.