What you are talking about is Beijing Henian Hall, which was founded by Ding Henian, a famous Hui poet and medical health care master in the late Yuan and early Ming Dynasties, in the third year of Yongle in the Ming Dynasty. West exit of Tiemen Hutong, Romanesque Street, Beijing.

In 2004, it was awarded the title of China Time-honored Brand and National Intangible Cultural Heritage by the Ministry of Commerce.

There is an inscription by Qi Jiguang, a famous anti-Japanese soldier, which reads: "Adjust your vitality and maintain peace".

There is an inscription by Yang Mingjisheng on the post: If you want to nourish and live longer, you must be eclectic.

Tongrentang mainly sells medicine, and Heniantang mainly teaches health preservation.