A method for driving a backlight module, a driving device, a backlight module and a display apparatus are provided. The backlight module includes a plurality lines of point sources, and each line of point sources correspond to each line of pixel units in a display panel one by one. The method includes: generating a first enable signal after a first time delay elapses from a time instant that a line scan of at least one line of pixel units for a first image frame of the display panel is completed; and driving point sources corresponding to the at least one line of pixel units specified to be turned on based on the first enable signal.