The ancient tea-horse road is used to transport tea from the tea farm originated in China to Xinjiang, Tibet, Yunnan, Ningxia, Qinghai and other areas where animal food is the staple food. After a long period of practice, people in those areas found that some kinds of tea were very helpful to digest animal fat.
Generally speaking, black tea (representative: Jingwei Fuzhen tea, Anhua black tea, etc. ), uncooked rice, green tea and other teas that people who are mainly meat in mountainous areas often drink will have the effect of digestion and stagnation.
It's not easy to hit by hand, hope to adopt it.