In the past, princes and nobles drank. Today, people's food is said to come from a bowl of sweet soup at the back end of the banquet of ancient princes and nobles to reconcile food and help digestion. In the Qing dynasty, the harem beauties ate a bowl of sugar water, which reminded them of their different identities because of the different materials. A bowl of good sugar water can not only satisfy people's appetite for food, but also "dispel summer dryness in summer and autumn and keep out the cold in winter and spring" There were "Ice Lotus Lily" in the Tang Dynasty, "Red Bean Sugar Porridge" in the Song Dynasty, and the popular "Sour Plum Soup" in the Qing Dynasty has also spread to this day. Known as "Nan Man", the climate in South Guangdong is hot and humid, and people who put health first give up hot drugs. Chicken, duck and fish, all kinds of fruits and vegetables, and warm or cold Chinese herbal medicines make Lao Huo Tang a much-told story. Later, Cantonese people slowly extended the nourishing concept of soup and developed a dazzling array of sugar water. In the early years of the Republic of China, various sugar stores in Yangcheng became a school of their own. Liang sold stewed milk and turtle sauce, while sesame paste floated in Wan Li, and Pan Rongji's almond paste was slippery. In the 1920s, Liang Huiji mixed double skin milk with two loose lotus seeds to make a crystal white cake. After eating the double-skin milk, the customer even offered a cup of fragrant tea to harmonize the taste and mouthparts, and the skill was even better. Sugar shops have also begun to explore ideas and operate in multiple lines. In the past 20 years, in addition to retaining the traditional sweet potato sugar, red bean paste, mung bean paste, sesame paste, almond paste, peanut paste and double-skin milk, hundreds of new varieties have emerged, such as high-priced sugar water such as stewed bird's nest with rock sugar, papaya chinese forest frog paste, and even mustard ice cream which is deeply loved by new and new people.