This application discloses a display panel and a processing device thereof. The display panel includes: a display screen and a connection terminal arranged at an edge of the display screen; a driver chip assembly connected to the connection terminal; a driver chip output pin arranged on a side, close to the connection terminal, of the driver chip assembly; a terminal pin connected to the driver chip output pin by bonding; and a fanout region arranged on a side, away from the edge of the display screen, of the terminal pin, where an insertion length of the terminal pin is greater than the length of an overlap region of the driver chip output pin and the terminal pin, where the terminal pin is higher than the fanout region.