目的 :观察肠道杆菌L型与慢性腹泻的关系。方法 :取慢性腹泻患者的粪标本接种中国蓝平板及肠道杆菌L型平板 ,生长后按细菌型及细菌L型常规鉴定并做药敏。结果 :5 1份粪便标本 18份分离出致病菌及L型 ,总检出率为 35 .2 9% ,其中细菌型 11例 ,检出率为 2 1.5 7% ;L型 7例 ,检出率为 13.73%。结论 :慢性腹泻患者应加做细菌L型检查 ,以防漏诊。 Objective: To observe the relationship between intestinal L type and chronic diarrhea. Methods: The stool specimens of patients with chronic diarrhea were inoculated with Chinese blue plates and L-type enteric bacilli. After the growth, they were routinely identified by bacteria and bacteria and drug-susceptible. Results: The etiological agents and L-forms were isolated from 18 samples of 51 stool samples, with a total detection rate of 35.29%. Among them, 11 were bacterial and the detection rate was 2 1.57% Out rate of 13.73%. Conclusion: Patients with chronic diarrhea should be done bacterial L-type examination to prevent missed diagnosis.