The invention discloses a folding type notebook computer heat dissipation supporting frame. The device comprises a main plate and supporting legs. The method is characterized in that the upper surfaceof the main board is provided with a first heat dissipation port and a second heat dissipation port; the bottom of the main board is provided with a baffle plate non-slip mat; the supporting legs arearranged at the top of the main board, jacking parts are arranged at the joints of the supporting legs and the main board. The upper surfaces of the supporting legs are provided with a cable storageport and a third heat dissipation port, and the bottoms of the supporting legs are provided with protective mats. The notebook computer is reasonable in structural design, is made of an aluminum alloymaterial through an oxidation process, is practical and attractive, is stable, portable and wear-resistant, is better in heat dissipation, is light and foldable, is capable of adjusting the sitting posture and more conforming to the comfort of human body operation experience, and is a different choice for many notebook computer users.