An LED high intensity illumination work light assembly including a front portion and a back casing with a circuit box housed in the middle. On the left and right sides of the back casing portion are configured threaded receiving holes for fixing the work light assembly to a supporting frame at a selected angle, and on the back section of the back casing are figured with two protruding fin plates that can fix the LED work light to a supporting surface that is close to the user in the working area.