Stools with a bad liver may be white, black, red or green in color and may have a bad odor. Patients with bad liver may have constipation, diarrhea or even loose stools. 1. White: the liver function is abnormal due to bile duct obstruction, in this case, the color of the stool may become lighter, or even white, showing clay-like changes. 2. Black: When the esophagogastric varices caused by liver cirrhosis rupture and bleed, or when the bile duct bleeds, the stool may be black and tar-like. 3. Red: It is bleeding from rectal varices, mostly bright red color and blood stool. 4. Green: The color of stool is green, which is caused by the liver qi being uncomfortable and the bile being discharged abnormally. Patients are often accompanied by other symptoms of liver qi stagnation or excessive liver fire. For example, dry throat and bitter mouth, chest and hypochondriac pain, irritability and so on. Liver disease should eat more light and easy to digest food, such as other adverse symptoms or symptoms are serious to consult a doctor, through further improvement of the relevant examination, diagnosis of the causative factors, under the guidance of the doctor for symptomatic treatment.