The invention relates to the field of hot blast furnaces, in particular to a self-dedusting hot blast stove. The stove comprises the hot blast stove; a vibration device used for shaking off coal ash is arranged in the upper end of the hot blast stove; the middle end of the hot blast stove is internally provided with an elastic pouring device which can be automatically poured after enough coal ashis accumulated; a dust removing device capable of providing ventilation and conveying the coal ash to the outside is arranged in the lower end of the hot blast stove; the vibrating plate is driven bya vibration motor to enable the burnt coal ash to be scattered on a baffle plate, the burnt coal ash is not directly cleaned, and can be used as a heat preservation material for reuse, reusability isachieved; the coal ash is spread on a ash conveying belt through the gravity of a spring rod to be sent out, so that the hot blast stove can automatically and regularly clean the ash, manual dust-sweeping is not needed, the working efficiency is improved, and meanwhile, the output of the staff is reduced.