Sugar-coated haws were originally used to treat diseases in China. Sugar-coated haws are also called sugar-coated haws, sugar piers in Tianjin and sugar balls in Fengyang, Anhui. Sugar-coated haws are traditional snacks in China, which originated in the Southern Song Dynasty. It is made by stringing wild fruits with bamboo sticks and dipping them in malt syrup, which quickly hardens in the wind. The common snacks in northern winter are generally made of hawthorn, which is thin and hard, sour and sweet, and very cold.

In the Song Dynasty, the ancient practice began. The Chronicle of Yanjing Years Old records that candied haws are made of bamboo sticks, filled with hawthorn, begonia fruit, grapes, yam, walnut kernel and bean paste, and dipped in rock sugar, which is sweet, crisp and cold. Teahouses, theaters, streets and alleys can be seen everywhere, and now they have become traditional snacks in China. Sugar-coated haws have the functions of appetizing, caring skin, increasing intelligence, eliminating fatigue and clearing away heat.

Sugar-coated haws are rich in vitamin C, pectin, chlorogenic acid, caffeic acid, maslinic acid, oleanolic acid, quercetin, ursolic acid, oleanolic acid, hyperoside, epicatechin and other organic acids and nutrients.

Hawthorn in candied haws has many medicinal effects. It can help digestion, dispel blood stasis, expel tapeworms, stop dysentery, and especially help digestion. It has been an important medicine for digestion since ancient times, especially for digestion.