Introduction to Yao Zhihe Tang: Yao Zhihe Tang was founded in the late Ming Dynasty and early Qing Dynasty. It has five bays and is located in Zhihe Tang Alley on Beixiaohe Street. The plaque of Zhihe Hall was written by Dong Qichang, a famous calligrapher of the Ming Dynasty. Hanging on the counter is a shop rule that reads: "No one can see the healing process, but there is ignorance in integrity. There is no understanding of pills, and they will not be returned or exchanged when you leave." There is a plaque with gold background and flowers of "Bosch Benefiting the People" hanging in the corridor of the hall. Two couplets: "The best thing in the world is to study, and a century-old family in this world is nothing more than accumulation of virtue." It was written by Xia Tongshan, the minister of the Ministry of War of Tangqi people in the Qing Dynasty. In the hall, there is a plaque written by Peng Yulin, the governor of Zhejiang in the Qing Dynasty, "True and True". The Yao family of Tangqi, whose ancestral home is Yuyao, Zhejiang, has a secret recipe passed down from his family. His magical Sha Qi Pills (Purple Gold Ingots) are famous all over the world. The Sha pills are "just like purple gold, and are especially said to be magical. They are all treasured by merchants from far and near, as well as overseas. Famous product." ("Guangxu Tang Qizhi") During the Jiaqing and Daoguang years, there were floods in western Zhejiang. After the epidemic, the Sha medicine made by Yao Zhihetang saved countless people. Even Bao Jun, the Prime Minister and Minister of Foreign Affairs of the Qing Dynasty, sighed repeatedly when he was passing by Tangqi in a boat: "When buying Yao Zhihe Sha Qi and other medicines, there are more than one store selling them. I don't know who is authentic." ("Wen Jinggong's Poetry") After modern times, Zhihetang opened a branch in Shanghai and published on the advertising paper: "Self-made genuine Tangqi Sha medicine". During the Republic of China, when the famous gentleman Lao Shaolin returned from Peiping, in order to commend his mother Yao (the daughter of Zhihetang), Xu Shichang, the president of the Beiyang government, wrote a plaque "Song Fen is handed down from generation to generation", which was later hung in Zhihetang Pharmacy. in the lobby.