Computer mainboard with external temperature display structure

The utility model provides a computer mainboard with an external temperature display structure, which comprises a mainboard, a mounting groove is arranged on the upper surface of the mainboard, a temperature detector is arranged in the mounting groove, one side of the temperature detector is connected with an external temperature display screen through a lead, and the other side of the temperature detector is connected with a power supply. The two sides of the mounting groove are fixedly connected with a connecting block and a fixing block respectively, the two sides of the connecting block are both provided with fixing supporting plates, the two fixing supporting plates are both located on the front side and the rear side of the temperature detector, a connecting shaft is arranged in the connecting block, and the connecting shaft is fixedly sleeved with a torsion spring; according to the temperature detection device, the temperature detector can be conveniently mounted and dismounted on the main board, conve