The invention provides a statistical method and device for infection cases of an I-type incision operation part and a storage medium, and aims to solve the problem that in the prior art, the infectioncases of the I-type incision operation site of an inpatient is hard to count in the statistical time period. According to the method, the infection cases of the I-type incision operation part in thestatistical time is screened out by utilizing information including the hospitalization process information A, infection information H, surgical information G, selected surgical infection site, statistical time, permission department information, selected surgical department, selected surgical name, selected surgical classification, selected surgeon, selected anesthesia mode, selected surgical duration, selected ASA score, selected healing level, selected surgical part, selected NNIS score, selected period selection emergency treatment, selected operating room and selected surgical frequency.Thus, the infection cases of the I-type incision operation part of the patient subjected to the operation in the statistical time period can be conveniently and accurately counted.