The fire risk evaluation system using the fire risk index includes a data input unit, a risk index calculating unit, and an expected loss calculating unit. The data input unit receives the evaluation level data of the level of response to the fire occurrence, and the risk index unit calculates the fire risk index of the fire risk assessment object by using the inputted corresponding level evaluation data, and the expected loss calculation unit uses the calculated fire risk index To calculate the expected fire loss value of the fire risk assessment object. In this case, the estimated loss calculation section calculates the annual fire occurrence rate (P) of the fire risk assessment subject, and the annual fire occurrence rate (P) A is a preset annual fire occurrence frequency statistic, C is a preset coefficient, Fire risk index, Is an equivalent risk index of the pre-established fire frequency statistics.
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