All-aluminum notebook computer shell with good heat dissipation performance

The utility model discloses an all-aluminum notebook computer shell with good heat dissipation performance, which comprises an aluminum shell body, side edge heat dissipation plates are respectively arranged on the outer walls of two sides of the aluminum shell body, an interface preformed hole is arranged on the outer wall of one side of the aluminum shell body, and guide sliding rails are respectively fixed on the outer walls of two sides of the aluminum shell body. A first heat dissipation cylinder and a second heat dissipation cylinder are slidably connected to the outer walls of the two sides of the aluminum shell respectively, ventilation grooves are formed in the outer walls of one sides of the first heat dissipation cylinder and the second heat dissipation cylinder respectively, fans are fixed to the inner walls of the ventilation grooves respectively, and a second exhaust head and a first exhaust head are inserted into the outer walls of one sides of the first heat dissipation cylinder and the second