Abstract: An attendance consistency management system for managing consistency with attendance information includes: a beacon detection result collecting unit that is distributedly installed along an entrance path into and exit path from the inside of a building or an office, collects beacon ID information from a plurality of receiving terminals detecting a beacon of a transmission terminal carried by an employee, and records the beacon ID information together with detection time information; and an attendance matching processing unit that calculates the earliest detection time, the latest detection time, and remaining time after regular time of the employee, based on the sequential data table of detection time for each beacon ID and regular time information of an employee specified by the beacon ID, and determines consistency with attendance information entered by the employee on self-reporting, working regulations of individual employees, and working regulations of a company.