Although walnuts contain a variety of trace elements, vitamins and other nutrients, they are hard and contain a lot of fat, which will increase the burden on the gastrointestinal tract and cause indigestion, nausea, vomiting, diarrhea and other uncomfortable symptoms, which will aggravate the above symptoms for patients with existing diarrhea. Patients with diarrhea should eat more warm, soft, light and easily digestible food, give more liquid and semi-liquid diet, eat less and more meals, avoid overeating, avoid raw, cold, hard, spicy and greasy food intake, eat less and more meals, keep sufficient sleep, maintain a good mood, and at the same time can be given to protect the gastrointestinal mucosa, inhibit gastric acid secretion, anti-diarrhea and other comprehensive treatment to promote the recovery of the disease.