A system for evaluating operational conditions of a blast furnace, comprising: an image capturing unit for capturing image data according to each of a plurality of tuyeres provided in a blast furnace; an image collection unit for collecting the image data captured according to each of the tuyeres by the image capturing unit; a tuyere combustion state determination unit for classifying, on the basis of artificial intelligence, combustion states according to each of the tuyeres, by using the image data according to each of the tuyeres; a tuyere combustion state index generation unit for generating a combustion state index according to each of the tuyeres by using the result of classifying the combustion states according to each of the tuyeres by the tuyere combustion state determination unit; and an integrated evaluation unit for generating an integrated combustion state index on the basis of the combustion state index according to each of the tuyeres, characterized in that, the tuyere combustion state determination unit comprises an Al-based determination unit for classifying combustion states according to each of the tuyeres based on deep learning using the image data according to each of the tuyeres; wherein the Al-based determination unit determines the combustion state classification according to each of the tuyeres based on a result of accumulating a result of classifying the combustion states according to each of the tuyeres classified based on deep learning in time series for a predetermined time period; wherein the time period is adjusted according to elapsed time information from a time at which the tuyere combustion state classification is first detected to a time at which the tuyere combustion state classification transitions to another state; wherein the combustion state classification comprises a normal combustion state, a poor combustion state, pulverized coal non-injection, unreduced molten material falling, and coke turning; wherein the combustion state index according to each of the tuyeres comprises at least one of a combustion state defect index, a pulverized coal noninjection index, an unreduced molten material falling index, a coke turning index, a combustion state level index, a pulverized coal flow rate index, and a tuyere raceway index. an image capturing unit for capturing image data according to each of a plurality of tuyeres provided in a blast furnace; an image collection unit for collecting the image data captured according to each of the tuyeres by the image capturing unit; a tuyere combustion state determination unit for classifying, on the basis of artificial intelligence, combustion states according to each of the tuyeres, by using the image data according to each of the tuyeres; a tuyere combustion state index generation unit for generating a combustion state index according to each of the tuyeres by using the result of classifying the combustion states according to each of the tuyeres by the tuyere combustion state determination unit; and an integrated evaluation unit for generating an integrated combustion state index on the basis of the combustion state index according to each of the tuyeres, characterized in that, the tuyere combustion state determination unit comprises an Al-based determination unit for classifying combustion states according to each of the tuyeres based on deep learning using the image data according to each of the tuyeres; wherein the Al-based determination unit determines the combustion state classification according to each of the tuyeres based on a result of accumulating a result of classifying the combustion states according to each of the tuyeres classified based on deep learning in time series for a predetermined time period; wherein the time period is adjusted according to elapsed time information from a time at which the tuyere combustion state classification is first detected to a time at which the tuyere combustion state classification transitions to another state; wherein the combustion state classification comprises a normal combustion state, a poor combustion state, pulverized coal non-injection, unreduced molten material falling, and coke turning; wherein the combustion state index according to each of the tuyeres comprises at least one of a combustion state defect index, a pulverized coal noninjection index, an unreduced molten material falling index, a coke turning index, a combustion state level index, a pulverized coal flow rate index, and a tuyere raceway index.