The invention discloses a dustproof electric appliance cabinet for deserts. The dustproof electric appliance cabinet comprises an electric appliance cabinet, heat dissipation passages, heat dissipation ports, heat dissipation tubes, a first filter screen, a second filter screen and a third filter screen, wherein a heat dissipation passage is separately formed in two left and right side walls and a back end side wall of the electric appliance cabinet, a heat dissipation port is separately formed in the two left and right side walls and the back end side wall of the electric appliance cabinet, six heat dissipation tubes are respectively arranged in the two left and right side walls and the back end side wall of the electric appliance cabinet, the heat dissipation tubes communicate with the air, the first filter screen, the second filter screen and the third filter screen are fixed in the heat dissipation passages from bottom to top through bolts, the first filter screen is arranged at the lower end at an intersection of the heat dissipation tube on the lowest end and the heat dissipation passage, the second filter screen is arranged at the lower end at the intersection of the heat dissipation tube at the middle and the heat dissipation passage, and the third filter screen is arranged at the lower end at the intersection of the heat dissipation tube at the uppermost end and the heat dissipation passage. The dustproof electric appliance cabinet has the advantages of good dustproof effect, convenient use and the like.