ObjectiveTo investigate the value and safety of non-pain bronchoscopy clinical application. Methods105 patients who underwent bronchoscopy were divided into control group (54 cases) and observation group (51 cases) according to voluntary principle. Patients in observation group were conducted painless bronchoscopy and patients in control group were performed routine bronchoscopy. The systolic blood pressure (SBP), heart rate (HR), the percutaneous oxygen saturation (SpO2) preoperative and intraoperative in the two groups were compared. EEG and memory function of preoperative and 1 week postoperative were compared between two groups, and the acceptance degree of repeated bronchoscopy were observed. ResultsThere was no significant difference of preoperative SpO2 between two groups before operation (P＞0.05). The minimum SpO2 value intraoperative in observation group was significantly lower than preoperative stage and control group (P＜0.05). There was no significant difference of HR and SBP in the preoperative stage between two groups (P＞0.05). The HR and SBP during perioperative stage in observation group were significantly lower than preoperative stage and that of control group (P＜0.05). There was no abnormality in electroencephalography EEG in observation group postoperative, and there was no significantly difference in long memory test and short memory test between preoperative and 1 week postoperative in observation group (P＞0.05). The acceptance rate of repeated bronchoscopy in observation group (98.04%) was significantly higher than control group (22.22%). ConclusionCompared with routine bronchoscopy, painless bronchoscopy is safety, painless and more easy to accept by patients.

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