The prognosis of patients with severe viral hepatitis is concerned by clinicians, patients and their relatives. Many factors may influence on the prognosis of patients with this disease. Many studies on the prognosis of severe viral hepatitis by multiple logistic regression analysis have shown generally consistent results.1-4 Previouly we established a scoring model of severe viral hepatitis (SMSVH) by logistic regression analysis.1 The aim of this study was to estimate prospectively the 6-month survival rate of patients with severe viral hepatitis using SMSVH.