Summary of case history,　The patient Yang, a 73 year old female, went to hospital on September 9, 2019 due to "involuntary discharge of fecal residue from anus for 6 months". In the past 5 years, the patient has no obvious inducement to repeatedly have the mass in the anus prolapse after defecation, and can return it by himself. Six months ago, he found that the anus was involuntarily discharging fecal residue, which broke out repeatedly and did not improve, so he came to our hospital for treatment. Symptoms and signs: the patient's anus involuntarily discharges fecal residue, accompanied by anal distension, incomplete defecation, loose stools, 2-3 times per day, no mucus, pus, blood stool, weight loss, chest distress, abdominal pain, diarrhea, etc. The patient is tired, poor in reception, and has a good night's sleep, which is convenient. The tongue is light, the fur is white, and the pulse is slow.,TCM diagnosis,　Anal incontinence (spleen deficiency syndrome).,Western medicine diagnosis,　Fecal incontinence.,Therapeutic methods,　In traditional Chinese medicine, Jiawei Buzhong Yiqi Decoction and Gutuo Sophora flavescens Lotion were taken orally for sitz bath treatment with the method of invigorating qi and spleen, and lifting and strengthening the retention.,Clinical outcomes,　clinically cured and did not recur after follow-up.