AbstractObjective：Tosummarizetheriskfactors forunplannedreadmissionofcolorectalcancerpatientsintheshorttermafter surgery.Methods：Acomprehensivesearchof teliteratureonriskfactorsforunplanedreadmisioaftersurgeryforcolorectalcancer was conductedinPubMed，WebofScience，EMbase，Cochrane Library，CINAHL，SinoMed，CNKI，WanFang DataandVIP.The searchtimeframeasfromthconstructioofthelibrarytoAugust3o24Results：Atotalof14articleswereiclued.358patts were involved，of which 42874 (12.89% )had readmissions.The Meta-analysis showed that comorbidities (OR=2.13， 95% CI 1.88- 2 .43，Plt;0.000 01 )，postoperative complications (OR =6.86，95% CI 2.13-22.15， Plt;0.001 )，stoma (OR=1.44，95%CI1.26-1.64， Plt; 0.000 01)，hospital stay gt;7 d (OR=1.41，95%C1 1.17-1.33， P=0.000i 3) and incision infection (OR=3.22，95%CI 1.93-5.36，Plt;0.000 01) wererisk factorsforunplannedreadmissionincolorectalcancerpatints intheshort-termpostoperativeperdConclusion：Existing evidenceshowsthatuplaedpostoperativeradmissonofolorealcancerpatietsisloselyrelatedtoomobiities ......