A driving behavior determining method, apparatus, and device, and a storage medium are provided. The method includes obtaining, by a computing device, a driving video of a target vehicle. A content of the driving video includes a road and a neighboring vehicle of the target vehicle, and the neighboring vehicle includes at least one of a front vehicle in front of the target vehicle and a rear vehicle at a rear of the target vehicle. The method also includes: obtaining, by the computing device, vehicle running information that comprises a running status of the target vehicle; and determining, by the computing device, whether a dangerous driving behavior exists according to the driving video and the vehicle running information corresponding to a same time period. The dangerous driving behavior is a driving behavior having an accident risk.