Abstract: Longan is the distinguishing fruit and with large yield in south China. Its growing area is about 80 million hectare.Longan’s false seed peel-the flesh of Longan is the well known nutritious food with a long history. In nowadays, along with thegradually recognizing effective components and its mechanism of health protection, the utilizatbleprospect is bright.

Key words: Longan , Health food , Procesing