The present invention discloses a display with a lighting device comprising a display body having a housing and a power supply panel. The lighting device mounted at the bottom of the housing comprises a transparent base having a receiving cavity and a light source body disposed within the receiving cavity and powered by a power supply. Mounted at the bottom of the display body, the lighting device has the light downwards to illuminate the whole keyboard area of the medical diagnostic device such that the structure is tight without occupying extra space, thereby no inconvenience occurs during doctors' operation. Moreover, the entire lighting device is designed in a modularized manner, and therefore it is convenient for renewal and maintenance.