Portable mobile photography lamp

The utility model discloses a portable mobile photography lamp. Box body, a threaded cylinder is fixedly arranged at the bottom end of the inner wall of the box body; a rectangular sleeve is arrangedin the box body; a threaded column matched with the threaded cylinder is arranged at the bottom end of the rectangular sleeve; the rectangular column is sleeved with the rectangular sleeve in a sliding mode. A screw rod is rotationally mounted in the rectangular sleeve; a first threaded hole channel is formed in the middle of the rectangular column; the top of the screw is threadedly inserted intothe first threaded hole; a U-shaped hinge seat is fixedly arranged at the top end of the rectangular column; an adjustable photographic lamp main body is mounted in the U-shaped hinge seat; the height adjusting device has the advantages that the second bevel gear is driven by the rotating shaft to rotate, then the first bevel gear is driven to drive the screw to rotate, the screw is matched withthe first threaded hole cha