While off-season longan also proportion at least. Result in the regular season longan yield problem lack of labor. The cost of the harvest and the cost of buying a batten branch longan. The output of over and price down. To solve the problem, we have to study the growing off-season longan, which there are several factors involved, such as environment, resources, farmers or even government have to prepare plan to help and support the growing off-season longan longan to reduce flood the market and increase the value of longan.