Jiulongzhai Suanmeitang (Jiulongzhai Sour Plum Drink) is a traditional Chinese summer beverage that originated during the Daoguang period of the Qing Dynasty, with a history of over 170 years. Made primarily from smoked plums (wumei), and blended with traditional Chinese herbs such as hawthorn, licorice, and dried tangerine peel, it is brewed using time-honored techniques. Jiulongzhai, a well-known brand, maintains traditional recipes without adding preservatives or artificial coloring. Its sweet and tangy flavor makes it a popular choice for all ages, known for its benefits in relieving heat, quenching thirst, and aiding digestion.