The invention discloses a furnace profile maintenance method for blast furnace operation. The parameters of real-time cooling wall temperature, cooling water flow and cooling water temperature of a blast furnace are obtained by corresponding sensors; a sample for classifying is established; the parameters of cooling wall temperature, cooling water flow and cooling water temperature are classified by adopting a mode recognition technique; the classification result is used as an index to classify the blast furnace operation indicators within the same period of time to find the relatively better cooling wall change type; the change range of the cooling wall temperature in the interval with better indicators is counted, wherein the data correspond to the control range of the cooling wall temperature, the cooling water flow and the cooling water temperature in the current condition of the blast furnace; and finally the blast furnace is controlled according to the control range. The dynamic control of the management of the blast furnace profile is implemented.