The invention discloses a hollow plum preserved fruit and a preparation method thereof. The hollow plum preserved fruit is prepared from the following components in parts by weight: 180-220 parts of hollow plums, 1.8-2.2 parts of calcium chloride, 0.4-0.6 part of citric acid, 0.4-0.6 part of table salt, 0.8-1.2 parts of brown sugar, 0.8-1.2 parts of rock candy, 38-42 parts of xylitol, 1.3-1.7 parts of honey, 7.5-8.5 parts of wolfberry fruits, 2.0-3.0 parts of honeysuckle, 2.8-3.2 parts of grosvenor momordica fruits and 9-11 parts of licorice roots. The hollow plum preserved fruit is prepared from the components. According to the hollow plum preserved fruit disclosed by the invention, slitting and ultrasonic combined sugar permeation is adopted to increase the sugar permeation speed, and the xylitol is adopted to replace sucrose and is organically combined with medicinal and edible dual-purpose materials such as the licorice roots, the honeysuckle, the wolfberry fruits, the grosvenor momordica fruits and the honey to perform sugaring, so that the preserved fruit has the effects of resisting inflammation, resisting viruses, protecting the liver, clearing away the lung-heat, relievingsore throat, strengthening the spleen, warming the stomach, enhancing immunity and the like. The hollow plum preserved fruit is brown, is palatable in sour and sweet taste, keeps the original fruityaroma of hollow plums, and is soft in texture, chewy, full in structure form, free of peculiar smell and low in sugar content.