Hepatitis B can take vitamin C. Vitamin C is used in the treatment of various acute and chronic infectious diseases as well as purpura, and can also be used in the treatment of scurvy, so the patients of hepatitis B can take vitamin C. Long-term large quantities of vitamin C can cause scurvy after suddenly stopping the drug, so large quantities of vitamin C if the drug needs to be gradually stopped. Large amounts of vitamin C can cause urinary stones, but also can cause diarrhea, headache, frequent urination, nausea and vomiting and other adverse reactions. Allergic people should use with caution, and patients who are allergic to this product are prohibited. Large amounts of vitamin C in pregnant women can cause neonatal scurvy. Patients with hepatitis B should take vitamin C under the guidance of a physician’s interview, and patients should not self-medicate to avoid harming the liver.