The joint venture of the company has been handed down from generation to generation for nearly 300 years. Therefore, it is also called the old shop in Le Jia.
The founder is cheerful and proficient in medical skills. He once suggested that those who can preserve health and save the world should focus on medicine, which laid a good foundation for the establishment of Tong Ren Tang. Later, his son, Le, continued his ancestral career. On the basis of the imperial secret recipe, folk prescription and ancestral formula, he summed up the previous pharmaceutical experience and compiled the Preparation Recipes of Xerox's Ancestral Pills, Powder and Pills, and collected 362 kinds of ancestral secret recipes, prescriptions of imperial doctors and secret recipes, which strictly standardized the pharmaceutical standards of these prescriptions, and at the same time pointed out that it was complicated to distinguish the real estate after observing the elbow.
1723, Tongrentang was dedicated to Yong Zhengdi in the Qing Dynasty. In the following year 188, Tong Ren Tang independently managed official doctors, specializing in imperial doctors and continuing the Eight Emperors.
1954, Le Songsheng, the thirteenth generation descendant of the Leshi family, took the lead in applying for public-private partnership and became the first manager of Tongrentang after the joint venture.