After a total excision of the large intestine, a person cannot act like a normal person, and this will affect his excretory function, absorption function and inconvenience in life. 1. Excretory function: after total excision of the large intestine, the water in the stool is not fully absorbed, and then it is discharged through the intestines, and the stools are usually sparse and not shaped, and some will lead to reduced defecation reflexes, or even fecal incontinence. 2. Absorption function: the digestive and absorption function of the intestines will be affected after the total excision of the large intestine, the large intestine can absorb a small amount of water, inorganic salts and some vitamins, and the excision can lead to the patient’s weight loss or even malnutrition. 3. Inconvenient life: after the total excision of the large intestine, there is a possibility of abdominal wall fistula, which will cause some trouble to the patient’s life. After the total resection of the large intestine, patients should make dietary adjustments, pay attention to small meals and ensure adequate nutrition, discomfort, timely consultation, so as to avoid delaying the condition.