The invention discloses a thermometer storing barrel with a disinfecting function. The thermometer storing barrel comprises a base, a barrel body and a barrel cover, the barrel body can slide up and down along the base, the barrel body is provided with containing cavities used for containing thermometers, each containing cavity is provided with a push plug, each push plug comprises a guide rod andan insertion hole head, thermometer hydrargyrum bubbles can be fixed into insertion holes in the insertion hole heads so that the thermometers keep in the upright state all the time, the lower ends of the guide rods abut against the bottom of the base, disinfectants are contained into the base, guide sleeves in sliding fit with the barrel body are installed at the upper end of the base in a sleeving manner, the multiple thermometers can be stored, structure layout is reasonable, the matching accuracy of all mechanisms is high, meanwhile, the thermometers can be disinfected, and cross infection between patients is avoided.