Chestnut tree flowering April to June, fruiting August to October. Chestnut second flowering in the fall, will seriously affect the normal growth of the fruit tree and the second year of production, is a big taboo of fruit tree production. The occurrence of bursts of pests and diseases in the fall, in addition, special climatic conditions, such as late fall abnormal sustained high temperatures can also cause fruit trees to bloom in the fall. Therefore, it is necessary to strengthen the late management of fruit trees, especially after the fruit harvest tree management, good pest control, maintenance of fruit tree leaves, timely improvement of the soil environment, in order to effectively prevent the phenomenon of the second flowering of fruit trees.