ObjectiveTo analyze the reasons for operation cancellation, in order to improve the efficiency and quality of work in Day-surgery (DS) ward. MethodsRetrospective study and related factor analysis were carried out for 985 cases of canceled DS operations from October 2012 to October 2013. ResultsThe main factors for canceling DS operations included diseases, patients and relatives refusing operation, incomplete preoperative preparation and accidental events. ConclusionDS medical staff of each department should enhance the sense of responsibility and cooperation. Preoperative treatment of patients with chronic diseases and preoperative health education and psychological aids should be strengthened to reduce temporary cancellation of DS operations.