诊断为慢性重型肝炎合并原发性腹膜炎（ＳＢＰ）患者７０例，随机分头孢三嗪组和环丙沙星组各３５例，在相同综合治疗基础上，分别合用头孢三嗪或环丙沙星治疗１４天，结果表明：两种抗菌药物都有较好疗效。头孢三嗪组在临床症状、体征改善等方面均较环丙沙星组快；但组间总有效率比较无显著性差异。 Seventy patients diagnosed as chronic severe hepatitis with primary peritonitis (SBP) were randomly divided into ceftriaxone group and ciprofloxacin group of 35 cases. On the basis of the same comprehensive treatment, ceftriaxone or ciprofloxacin Treatment for 14 days, the results show that: two antibacterial drugs have a good effect. Ceftriaxone group was better than ciprofloxacin group in clinical symptoms and signs improvement, but there was no significant difference in the total effective rate between groups.