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目的:分析“互联网+医疗”平台联合传统指导对结肠镜检查患者肠道准备质量的影响。方法:本研究为双盲随机平行对照试验，根据样本量计算，入组2020年8月至2021年8月于首都医科大学宣武医院及医联体医院门诊行结肠镜检查患者718例，最终入组符合标准患者660例，排除患者58例。入组患者应用随机数字法随机分为“互联网+医疗”平台联合传统指导组（试验组，330例）和传统指导组（对照组，330例），最终完成研究患者试验组321例，对照组322例。对两组患者的波士顿评分、肠道准备合格率、腺瘤检出率进行比较分析，用多因素logistic回归分析影响肠道准备的因素。结果:试验组患者与对照组患者比较，波士顿评分［（6.1±1.1）分比（5.3±1.2）分，n t=-9.18，n P<0.001］、肠道准备合格率［93.5%（300/321）比 75.8%（244/322），χ2n =38.58，n P<0.001］、腺瘤检出率［39.3%（126/321）比 30.4%（98/322），χ2n =5.51，n P=0.019］均较对照组高，差异均有统计学意义。肠道准备合格的因素包括女性（n OR=2.19，95n %CI：1.33~3.59，n P=0.002）、无高血压（n OR=1.91，95n %CI：1.17~3.12，n P=0.010）、腹泻（n OR=4.84，95n %CI：1.22~19.24，n P=0.025）以及“互联网+医疗”平台联合传统指导方式（n OR=4.79，95n %CI：2.81~8.16，n P<0.001）；肠道准备不合格的因素包括无结肠镜检查史（n OR=0.34，95n %CI：0.20~0.56，n P<0.001）、无糖尿病（n OR=0.44，95n %CI：0.24~0.80，n P=0.008）。n 结论:与传统指导相比，接受“互联网+医疗”平台联合传统指导的结肠镜检查患者的波士顿评分高、肠道准备合格率高、腺瘤检出率高，肠道准备指导中应该重点关注首次结肠镜检查、男性、有高血压、无糖尿病、检查指征为腹痛或腹部不适等患者。“,”Objective:To investigate the effect of “Internet+Healthcare” combined with traditional education on the quality of bowel preparation for colonoscopy.Methods:A double-blind randomized parallel controlled trial was conducted. A total of 660 patients who underwent colonoscopy from August 2020 to August 2021 were enrolled. The patients were randomly assigned to receive “Internet+Healthcare” education combined with traditional education (study group, n n=330 cases) or the traditional education alone (control group, n n=330).The Boston bowel preparation scale, the qualified rate of bowel preparation and the adenoma detection rate of the two groups were compared. The factors affecting bowel preparation were determined by multivariate logistic regression analysis.n Results:The Boston bowel preparation scale (6.1±1.1 n vs. 5.3±1.2,n t=-9.18, n P<0.001), the qualified rate of bowel preparation [93.5% (300/321) n vs. 75.8% (244/322), χ2=38.58, n P<0.001], and the adenoma detection rate [39.3%(126/321) n vs. 30.4%(98/322), χ2=5.51, n P=0.019] in the study group were significantly higher than those in the control group. The factors related to qualified bowel preparation were female gender (n OR=2.19, 95n %CI:1.33-3.59,n P=0.002), no hypertension (n OR=1.91, 95n %CI:1.17-3.12,n P=0.010), diarrhea (n OR=4.84, 95n %CI:1.22-19.24,n P=0.025), and “Internet+Healthcare” combined with traditional education (n OR=4.79, 95n %CI:2.81-8.16,n P<0.001).The factors related to unqualified bowel preparation were no colonoscopy history (n OR=0.34, 95n %CI:0.20-0.56,n P<0.001) and no diabetes (n OR=0.44, 95n %CI:0.24-0.80, n P=0.008).n Conclusions:Compared with traditional education, patients who received “Internet+Healthcare” education combined with traditional education have high quality of bowel preparation and high adenoma detection rate in colonoscopy. To obtain qualified bowel preparation for colonoscopy attention should be paid to factors affecting bowel preparation quality.