It is said that there was a Hugong (around 2nd century AD). His name is not known, but he was called Hugong. "It is said that Hu Gong Xie Yuan, a native of Liyang, sells medicine in the market. The price is the same, and all diseases will be cured. The speaker said: If you take this medicine, you will vomit something, and it will be cured on a certain day. Everything will be cured. Collect money every day Tens of thousands of people were given to the poor, hungry and cold people in the city." From this point of view, Hu Weng is a hermit doctor who possesses medical skills and is willing to do good. Because a pot is often hung as a medical sign in the place where medicines are provided for diagnosis and treatment, he is called the Pot Man. There are many myths and stories about him in folklore. Hu Weng once taught medical skills to Fei Changfang. Although the records refer to legends, if you take off the cloak of mythology, it is not difficult to know that Hu Gong and Fei Changfang were famous doctors in the Eastern Han Dynasty. The deeds of the Hu Gong are widely spread. Doctors in the past dynasties almost all used the "Happiness of Hanging Pot" as a congratulation when practicing medicine, or hung gourds in the clinic as a sign of medicine. Today, many pharmacies, pharmaceutical factories, etc. still use this method. .

Laojiu believes that "pot" is suspected to be derived from "gourd" and "hu" because they have the same pronunciation. In later generations, some pharmacies used gourds as their guise, and some pharmaceutical factories used gourds as their trademarks. There was also a saying that "you don't know what kind of medicine is sold in the gourds."

Doctors have a benevolent heart and use their medical skills to help all living beings. People in the world call this a "hanging pot to help the world". Its classic origin comes from this.

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