该文报告了18例患者采用0．2％异丙酚浅全麻辅助完成结肠镜检，其中6例为高龄危重的肿瘤患者，有的近期有心肌梗塞病史，其它12例为疼痛敏感者，或行结肠镜检，或行肠息肉电切术，要求无病检查及治疗，18例患者全部成功地、无痛地完成了镜检及治疗。检查治疗过程中，血压脉搏变化小，血氧饱和度趋于无变化，检查后5-10min清醒离院，无任何不适反应。 This article reported 18 patients who underwent colonoscopy with 0.2% propofol shallow general anesthesia, of which 6 were critically ill cancer patients, some had a recent history of myocardial infarction, and the other 12 were sensitive to pain. Or colonoscopy, or enteric polypectomy, requiring no disease examination and treatment, 18 patients all successfully and painlessly completed the microscopy and treatment. In the course of examination and treatment, blood pressure and pulse changes are small, blood oxygen saturation tends to be unchanged, consciously leaving the hospital after 5-10 minutes of examination, without any discomfort.