Preserved fruit is a kind of food with fresh fruit as raw material, which is processed by peeling, coring, boiling in sugar water, soaking, drying, sorting and packaging. Bright and transparent, dry surface, a little sticky, water content below 20%. There are many kinds of preserved fruits. The famous traditional products are preserved apples, tamarind, apricot, pear, peach, Taiping, green plum, hawthorn slices and peony peel.