1. Li Gao (1180-1251), whose name is Mingzhi, was born in Zhending (today's Zhengding, Hebei Province), and in his later years, he called himself Dongyuan Old Man.
2. One of the "Four Masters of Jin and Yuan Dynasties" in the history of Chinese medicine, and the founder of the "Spleen and Stomach Theory" of TCM.
3. Born in a scholarly family.
4. At the age of 20, his mother, Wang, was bedridden and later died due to the treatment of various doctors, so he decided to study medicine and learn from Zhang Yuanyuan.
5. He emphasized the important role of the spleen and stomach in the human body, because in the five elements, the spleen and stomach belong to the central earth, so his theory is also called "earth nourishing school".
6. His main works include Spleen and Stomach Theory, Internal and External Injury Debate Theory, Medication Method, Medical Invention, Orchid Secrets, Vital Hair Tips, etc.
7. He died in 1251.
