Abstract: The thought of "spleen and stomach is the foundation" runs through the development of traditional Chinese medicine. The disease and syndrome of spleen and stomach system is an important part of internal medicine of traditional Chinese medicine. Of the 31 medical cases of‘Acupuncture Dacheng' Volume 9, 11 were related to spleen and stomach diseases. In the medical case of spleen and stomach disease, Yang used the five elements to diagnose and treat the disease, explained the nature of the disease according to the hexagram, and treated the disease based on the pathogenesis of the disease. In the process of diagnosis and treatment, Yang distinguishes the specimens and priorities; regulates Qi; gets a small number of acupoints to choose but a clever idea, matches the extraordinary points and points of the right meridian; adjusts the conception vessel and governor vessel, selects specific acupoints; uses acupuncture and moxibustion together, pays attention to the technique. The dignosis and treatment ideas of spleen and stomach diseases in‘Acupuncture Dacheng' medical records have reference value and guiding significance for today's acupuncture clinical practice.

Key words: Yang Jizhou, ‘Acupuncture Dacheng', medical records, spleen and stomach disease, treatment characteristics