The invention discloses a computer turning cooling heat dissipation mechanism. belonging to the field of computers, The device comprises a box body, heat discharge holes are formed in the top and twoside walls of the box body; a motor base is fixedly connected to the left side of the bottom in the box body; a motor is fixedly connected above the motor base; the output end of the motor is fixedlyconnected with a worm; A first gear shaft is fixedly connected to the lower left portion of the box body, a first gear is rotationally connected to the outer side of the first gear shaft, a second gear shaft is fixedly connected to the upper portion of the first gear shaft, a second gear is rotationally connected to the outer side of the second gear shaft, the second gear is meshed with the firstgear, and a third gear shaft is fixedly connected to the right side of the first gear shaft. Compared with the prior art, the electrical cabinet has the advantages that the electrical cabinet is simple in structure and convenient to use, heat dissipation dead angles are effectively avoided by continuously changing the heat dissipation wind direction of the electrical cabinet, it is guaranteed thatelectrical elements at all positions in the cabinet body can work normally, heating damage is avoided, and the service life of the electrical cabinet is prolonged.