A display screen lighter and a display screen detection device are provided. The display screen lighter comprises a mainboard, a switching board and an electrostatic discharge assembly, wherein the mainboard comprises a mainboard signal connecting port and is configured to generate a detection signal for electrically testing a display screen to be detected; the adapter plate comprises an adapter signal connecting port and is configured to transmit the detection signal to the display screen to be detected; the static charges releasing assembly comprises a signal transmission structure and a electrostatic discharge structure, the signal transmission structure is respectively and electrically connected with the mainboard signal connecting port and the display screen binding structure to form a plurality of signal channels, and the electrostatic discharge structure and the display screen to be detected are connected between the signal channels and the grounding terminal in parallel to discharge static charges in the display screen to be detected into the grounding terminal through the electrostatic discharge structure.