Method and device for partition backlight detection

The invention discloses a method and device for partition backlight detection and relates to the field of electronics. The problem that if problems occur in light sources of partition backlight of an electronic device in the prior art, users have difficulty in detecting the problems and cannot timely maintain the electronic device is solved. The concrete scheme is that the method comprises the steps of obtaining backlight detection instructions, generating preset display images according to the backlight detection instructions, calling M groups of preset backlight data, and displaying the preset display images according to the light sources of M groups of backlight partitions of M groups of backlight data driving display devices. The method is used for partition backlight detection.