Chen Liji's medicine is also an old-fashioned medicine. Tongrentang is too expensive. You can't eat one or two boxes of this stuff effectively. It can be bought cheaply, which also belongs to the standard of Chinese medicine and has a good effect. Of course, if the economy permits, well, it's best to be Tong Ren Tang. Beijing Tongrentang, Jiangxi Huiren and Zheng Xiu Pharmaceutical are all big manufacturers and brands.