Ice powder is a famous traditional snack, which belongs to summer snacks in Sichuan and Guizhou. Cold in nature and sweet in taste, tender, smooth and refreshing, promoting fluid production to relieve summer heat, cooling and reducing fire. As a delicious food in summer, it is favored by people because of its smoothness, transparency, coolness, delicacy and low price. According to textual research, ice powder was founded in Wuyang (present-day pengshan county) in Ming and Qing Dynasties, and its founder was Wang Weiyuan, known as "Weiyuan Ice Powder" in history. At first, it was only sold in pengshan county, and then gradually spread to neighboring cities and counties. By the middle of the Qing Dynasty, it had spread all over Sichuan, flourished in the late Qing Dynasty and reached its peak during the Cultural Revolution. At that time, many people in Pengshan had several ice powders at home, and they were eating ice powders all over the street. Pengshan's ice powder seeds were brought to all parts of the country by educated youth, and the hometown of ice powder is famous all over the world.