according to the data, wanglaoji herbal tea is a famous herbal tea in China, which was created by Wang Zebang (born aji) from Heshan, Guangdong province in Daoguang period of Qing dynasty (about 1831). Wang Zebang was a farmer for a living. At that time, the local plague was prevalent. He went up the mountain with his wife and children to avoid the epidemic. On the way, he happened to meet a Taoist who taught him a prescription. Wang Zebang cooked tea according to the prescription to help the people cure diseases. In the second year of Xianfeng, Emperor Wenzong of Qing Dynasty (1851), Wang Zebang was canonized as the imperial doctor's order. In the following year, Wang Laoji Herbal Tea Shop was opened in Jingyuan Street, Shisanxing Road, Guangzhou, specializing in water bowl herbal tea. After liberation in 1949, Wang Laoji United Pharmaceutical Factory was established, and it was renamed Guangzhou Wang Laoji Pharmaceutical Co., Ltd. on March 4, 2114.