Vitamin C can be taken for a long time by people with cirrhosis. Patients with cirrhosis can take vitamin C if they do not have a combination of gout, glucose-6-phosphate dehydrogenase deficiency, iron granulocyte anemia or thalassemia. Vitamin C can prevent bleeding gums, gum recession, and arteriosclerosis, and it can also promote the synthesis of collagen to prevent the spread of cancer cells. However, it should be used under the guidance of a doctor and should not be taken in excess. Normal people can get enough vitamin C in their daily diet and do not need to take extra vitamin C. If you really need to take vitamin C, you should use it under the guidance of your doctor. If you need to take it, you should use it under the guidance of your doctor. After taking it for a long time, you should gradually reduce the dosage and stop taking it. Cirrhosis patients should pay attention to rest on weekdays, quit smoking and drinking, maintain good personal hygiene, and avoid catching cold.