As a high value subtropical fruit, the crop quantity of litchi in China is no.1 in the world. The ripe litchi has very special color, flavor and nutritional component. At the same time, it is very difficult to store litchi under normal condition. The color, flavor and smell of litchi will change in very short time, then litchi will lose its greenness, attraction and edible value. It was reported that about 20% litchi would loss because of rotting. The factors really restrict the long distance transportation...