Longan(Dimocarpus longan Lour.) is a special fruit in south China as well as in Fujian. However longan will metabolize vehemence, lose moisture and browning because longan mature in the hot and humid period of the year, which influence the storage and distribution of longan. Therefor it is important to do research of the storage technology of the longan. In order to studying Knojac and sulfur management in longan storage in the room temperature, qualitative analysis of longan were studied in this...