Vomiting mucus after total gastrectomy is considered to be related to intestinal dysfunction, postoperative infection and other factors. 1. Intestinal dysfunction: usually due to the anesthesia before the operation, the anesthesia drugs stimulate the intestinal tract, causing intestinal flora disorders, leading to intestinal dysfunction, causing the phenomenon of vomiting mucus after total gastrectomy, gastrointestinal dysfunction may appear diarrhea, abdominal pain and other symptoms. 2. Postoperative infection: usually due to the lack of attention to local hygiene and cleanliness and care after the operation, resulting in the infection of pathogenic bacteria around the wound, causing the phenomenon of vomiting mucus after total gastrectomy. Post-operative infection will usually appear pain, fever and other symptoms. If you experience mucus vomiting after total gastrectomy, you should inform your doctor in time and take appropriate treatment under his judgment.