龙眼(Euphoria Longana Lam.)是我国南方特产果树,树体高大,枝叶茂密,为常绿乔木.莆田华亭和晋江磁灶等产区常可见到百年的龙眼的单株年产500～600斤.晋江磁灶乡井边村有4株已400多年的老龙眼树,仍然一派生机,大生年可结果2千多斤.泉州市北峰乡肖厝村有一株200多年的“福眼”,常年产量2～3千斤.以上事例说明龙眼是高产长寿果树. Longan (Euphoria Longana Lam.) Is a special fruit tree in southern China, tall trees, dense foliage, evergreen trees. Putian Huating and Jinjiang Cizao and other producing areas can often be seen in the longan of a century with an annual output of 500 to 600 pounds. There are 4 old longan trees that have been in 400 years of magnetism in Jinzao Town of Jinjiang County, and still give birth to more than 2 thousand kilos of freshman yearlings. Xiaozuo Village, Beifeng Township, Quanzhou City has a 200-year-long “Fuye” 2 to 3 kg. The above example shows that longan is a high yield and longevity fruit trees.