According to legend, Emperor Kangxi suffered from a strange disease. The imperial doctor in the palace used up all the precious medicinal materials and stopped taking medicine in a rage, although his condition did not improve. On this day, Kangxi went out for a night outing alone, came to a street and found a small pharmacy. It was already late at night, but the small pharmacy was brightly lit and there was the sound of reading. Kangxi thought that the imperial doctors in the palace were just mediocre people with no real skills, and the real talents were still among the people. Ginseng has had pharmacies since ancient times. Why don't I come and have a look? So Kangxi knocked at the door. After entering the room, Kangxi saw a man in his forties reading at night by candlelight. He guessed that he must be a doctor in this small pharmacy. Seeing a guest visiting at night, Langzhong asked, "What do you think of your late-night visit?" Kangxi said, "Calling home in the middle of the night is often presumptuous. Just because I have a strange disease, I feel itchy and have red spots all over my body. I don't know why. Many famous doctors were invited, but none of them were cured. Can the teacher have a look? " Langzhong said, "OK, please take off your coat and let me have a look." Kangxi took off his coat. The doctor only took one look and said, "Don't worry, you have nothing serious. It's just that I ate too many delicacies and ginseng for a long time on weekdays, so I had a red thought and itched very much. " Kangxi asked, "Can this disease be cured?" Langzhong said with certainty: "It's not difficult. Just use some medicine. " After that, he reached for a jar on the wooden shelf, spread out a bundle, and poured out all the medicine in the jar, weighing seven or eight pounds. Kangxi was stunned and said, "Teacher, how much medicine do I have to take at a time?" Card shark laughed, "this is rhubarb, not for you to eat. Take it home, boil 100 jins of rhubarb with this eight jins, put it in a jar, and take a bath in the jar when the water temperature is moderate. It can be restored in three or five times. " Kangxi thought that there were so many strange prescriptions in the imperial doctor's palace that he ignored them. Can his worthless rhubarb cure my illness? Seeing Kangxi's suspicious face, the doctor smiled and said, "Sir, please rest assured that I will never extort money from you. Take this medicine first. If I can't cure the disease, I won't collect money. " Kangxi said, "Well, I would be grateful if you could cure my illness." Kangxi returned to the palace and bathed according to the doctor's advice. Sure enough, when he got into the bathtub, he immediately felt refreshed and comfortable. After washing for three times, my whole body stopped itching. Look carefully, I don't have any red ideas on me. Kangxi was very happy. On the fourth day, he came to the drugstore wearing small clothes. As soon as Langzhong saw Kangxi smile, he knew he was all right, so he deliberately said, "Did you pay the medicine fee today?" Kangxi said, "Exactly. Teacher, how much do you think it costs? " Langzhong smiled and said, "I smiled. When I saw you with a grain of salt that night, I deliberately said that my illness was not cured and I didn't accept a penny. It's okay now. I still don't accept a penny. I just want to make friends with you and see that you are in good spirits. What is your name, please? " Kangxi smiled and said, "The student's surname is Huang, and the word is Tianxing. He is a scholar." Lang Zhongyi said happily, "My name is Zhao Guitang, and I am also a poor scholar. My father is determined to make me the number one scholar. I am proud of my ancestors, but who knows that my life is not as good as my wish? I have been famous in Sun Shan many times. Now I want to open a small pharmacy in Beijing and study while practicing medicine. I hope that one day there will be fish jumping. " Kangxi said, "Brother Zhao, as the saying goes, there is no name on the list, and there is a way under your feet. According to your superb medical skills, I can strongly recommend you to be the imperial doctor in the palace. Isn't it just a leap in the dragon gate? " Zhao Guitang smiled and said, "You are wrong. In my opinion, practitioners should think of the people and solve their problems. Being a physician in the palace, although enjoying all the splendor, can't cure the people all over the world. This is not what I want. What are the benefits of medical care? " Hearing this, Kangxi couldn't help saying, "I admire Brother Zhao's ability and virtue. Dear brother, please tell me frankly, since you have failed in many exams, why don't you settle down and make great progress in your medical career? " Zhao Guitang said, "I think so, too. it

Kangxi said without hesitation: "If you really want to build a pharmacy, what is its name? Let's call it Tong Ren Tang. What do you think of this name? " Zhao Guitang saw that he was serious and said with a smile, "I was joking just now. Don't take it seriously. Besides, it costs a lot of money to build a drugstore. Who knows when you will get rich? This is something on the edge of the cloud, far away. " Kangxi said, "Now try." He picked up a pen from the table, wrote a note casually, stamped it and said, "Brother Zhao, tomorrow you will go to the yamen of the Ministry of Internal Affairs, where a friend of mine may really be in charge." Say that finish and left. Zhao Guitang looked at Mr. Huang who left in a hurry and thought he was still a freak. The next day, Zhao Guitang couldn't help but find the yamen in the office with a curious tone. Not long after the note was handed in, a eunuch came out and led Zhao Guitang into the door. After walking through a yard, he came to a big house. The eunuch opened the door, pointed to the door and said, "Miss Zhao, are these enough for your medicine?" Zhao Guitang looked intently and was surprised to find a room full of shiny silver, and suddenly froze. At this time, I heard the eunuch say, "Teacher Zhao, long live the Lord. You give him a good look at the doctor for free. He wants to give you a Tong Ren Tang. You got what you wanted. " Zhao Guitang just woke up from a dream. Xiong Huang didn't mind making friends with him, but he became the emperor today. I really regret my absurdity, but I didn't notice it at all. Sure enough, a few days later, a big pharmacy sprang up and named Tong Ren Tang. Opening ceremony of Zhao Guitang moving into his new house. He never imagined that Emperor Kangxi would personally come to congratulate him. Zhao Guitang doesn't know what to do. Kangxi smiled and said, "Don't panic. I have returned your medicine. You will still be dissatisfied when you come again next time. " Since then, Beijing has a famous "Tongrentang" pharmacy.