The invention discloses a dynamic data displaying and processing system. The system comprises an input device, a displaying and processing module, a display interface module, an external interface module, a man-machine interface module, a display and data storage module. Operation frame displayed on a screen of the display comprises a background frame area, an alarm flicker area, a mouse control area, a dynamic data display area, a dynamic data background area, a user input data display area, a user input data background area, a user input active line area, an external device state area and a mouse image area. The invention further relates to a dynamic data displaying and processing method. No CPU chip, no soft core/hard core are adopted by the dynamic data displaying and processing system and method, and no operation system and application software are contained, so fully test and verification can be conveniently implemented, so excellent reliability and information safety can be achieved.