Female, 63 years old 2005-03-22 First consultation Multiple mouth ulcers since three years, dry mouth, fatigue, this time ulcers on the side of the tongue for one week, urine and stool are allowed, tongue light and smooth, pulse thin and weak. Analysis: Spleen qi weakness of deficiency fire on inflammation, spleen qi weakness of yin fire on the multiplication, the heart does not dominate the order, yin fire instead, treatment is appropriate to supplement the spleen qi diarrhea yin fire. Beiqi 15, Radix Codonopsis 15, Licorice 6, Zhi Mu 15, Gardenia 10, Grain bud 30. 2005-03-25 Review: After taking two doses, the patient’s tongue became light red and the ulcer was not congested and red around. Astragalus membranaceus 30, Radix Codonopsis pilosulae 15, Glycyrrhiza glabra 6, Zhi Mu 15, Gardenia jasminoides 6, Grain buds 30, three doses. On 28.03.2005, the patient was rechecked and three doses of Si Jun Zi Tang were added to regulate the spleen and stomach and consolidate the effect.