Marking off detecting system of touch screen

The utility model discloses a marking off detecting system of touch screen, the system include touch screen, master control device and the interface unit device of connecting each other, and wherein the master control device is used for realizing the control and the data processing of marking off detection, and the control that the interface unit device is used for receiving controlling means realizes the interface of touch screen and the matching of data transmission mode to the realization includes TP control module, PG control module and PG device to touch screen touch -control data acquisition, master control device, and wherein TP control module passes through USB interface communication with the interface unit, and TP control module and PG control module pass through window information and communication. According to the utility model discloses the touch screen marking off detecting system who realizes can realize expanding fast the detection of the touch screen of compatible different interfaces to in being embedded into the whole detecting flow with the detection flow of touch screen, integrated orderly detection has been realized, and show to land and reduce the cost of device.