Damp heat in the large intestine is mainly due to the patient’s poor diet, excessive consumption of spicy and stimulating, pickled food or fried food, which damages the intestinal tract, thus causing the evil of damp heat to take advantage of the deficiency and stagnate in the intestinal tract, causing the patient to have abnormal bowel movements such as diarrhea, abdominal pain and abdominal distension. It is recommended that patients should eat a light diet and insist on using foods such as barley, azuki beans and gorgonians to cook porridge, which can play a role in clearing heat and dispelling dampness. For patients with more serious damp-heat symptoms, they can choose to take drugs such as Huang Lian tablets or Ge Gen Scutellaria tablets for regulation. It is important to develop good dietary habits and eat more fiber-rich foods.