Portable vehicle-mounted GPS navigator

The utility model discloses a portable vehicle-mounted GPS navigator which comprises a shell (1), a touch display screen (2), multiple control buttons (3), antislip strips (4), an on-off key (7) and a memory card slot (8), wherein the touch display screen (2) and the control buttons (3) are arranged on the front of the shell (1); the control buttons (3) are arranged on one side of the touch display screen (2); the antislip strips (4) are arranged on the two sides of the shell (1); the on-off key (7) and the memory card slot (8) are arranged on the side face of the shell (1). The portable vehicle-mounted GPS navigator has the characteristics of touch operation, night illumination, small size and large screen, can be connected with a pair of earphones to save energy and electricity, supports insertion of a memory card to increase the storage capacity of the navigator, is provided with the antislip strips to overcome the difficulty that the portable vehicle-mounted GPS navigator easily slips off when held by a hand, is provided with a sling port to increase the portability of the navigator, and is provided with a standard USB charging interface to facilitate charging of the navigator in a vehicle or outdoors.