The invention discloses an economic management cost control device. The economic management cost control device comprises a body; a main panel of the body is of a nine-square structure. The left edge portion and the right edge portion are respectively provided with three self-defining data input boxes from top to bottom. The middle portion is provided a history data storage box, a real-time data processing box and a future data early-warning box from top to bottom, and a data reading transmission module is arranged in each self-defining data input box. Data processing modules are arranged in the history data storage box, the real-time data processing box and the future data early-warning box respectively. On the premise that no manpower needs to be added, the real-time cost data and the storage history data can be estimated automatically and quickly, and future data early warning is given out after the real-time cost data and the storage history data are compared, the enterprise is helped effectively to control the cost, the economic benefits are improved, and the device is very practical.