The present invention relates to fruit preserved fruits and a production process thereof, particularly to lemon preserved fruits and a production process thereof, wherein a lemon fresh fruit is adopted as a raw material, and washing, draining, cutting, slicing, seed removing, sugaring, drying, cooling, sterilization and packaging are performed to obtain the finished product. According to the present invention, unique flavor and nutrients of lemons are maintained, health care effects of heat clearing, blood cooling, blood pressure lowering, blood fat lowering, blood circulation improving, blood vessel toughness enhancing, physiological function regulating, aging prevention and the like of lemons are maintained, and the difficult problem that fresh fruits are inconvenient to store and carry is solved, such that the lemon adopted as the instant food is easy to eat; the production process is unique and simple, provides an ideal selection for people pursuing health and fashion lifestyles, and further develops a new approach for deep processing of lemons; and the production process is unique, eating is simple, and the product is not limited by seasons and places.