This kind of fruit is called yellow peel fruit. Some people call it yellow batch or yellow jar. It is quite common in Hainan, where people basically grow this kind of plant. Its fruit is relatively small, its skin is golden yellow, and its length is similar to that of longan. Its pulp is tender, juicy, sweet and sour, with special smell. It has the functions of invigorating the spleen, appetizing the stomach, eliminating phlegm and Qi, moistening the lung and relieving cough. It can also be processed into preserved fruits, jellies and drinks.