The utility model discloses a mounting bracket for a heat dissipation sheet copper of a notebook computer. A rectangular plate is punched by an electrogalvanized steel plate, sinking platforms (1) are respectively arranged at four corners of the rectangular plate, and mounting holes are respectively formed in the sinking platforms; a rectangular sheet copper welding zone (2) is arranged in the middle of the front surface of the rectangular plate; an arc-shaped groove (3) penetrating through two opposite angles of the sheet copper welding zone is formed in the sheet copper welding zone, and flanged edges (4) which are in the coherent extending direction with the arc-shaped groove and face to the back surface are respectively arranged on the two side edges of the arc-shaped groove; two heat transfer pipe welding zones (5) which are over against both end heads of the arc-shaped groove are respectively arranged on the back surface of the rectangular plate; a plurality of press lines which are parallel mutually are respectively arranged in the sheet copper welding zone and the heat transfer pipe welding zone; reinforcing ribs around the sheet copper welding zone are arranged on the outer side of the sheet copper welding zone and broken up in the positions of the two heat transfer pipe welding zones. The mounting frame has the advantages of simple structure, reliable intensity, and convenience in mounting, and increases the welding steadiness of the heat dissipation sheet copper and the heat dissipation pipe.