RESUMEN
Three hundred cases of E type viral hepatitis were observed with 100 cases of A type as control. We held that the etiology and pathogenesisof E and A types of viral hepatitis were wind, dampness, heat, poisons and stasis, each with its predominance; For A type, its predominant etiology being wind, heat and stasis, while that of E type, dampness, poisons and stasis. For their therapy, the principle of "similar treatment for different diseases " should, adopted. After treatment, ACT, TB, and a markedly decreased, signs and symptoms markedly improved, Epr, IgG also improved to different extents, the cured rate ( rate of negative virus exam) being 80% and 78% for A type and E type respectively. The effect was especially good for simple infection, and rather poor for mixed infection type.