The lightning disaster risk of the six regions in Xiamen city are evaluated using fuzzy comprehensive evaluation method with the densities of earthstroked lightning, output value, and population as three evaluation indices. The lightning disaster risks in different regions of Xiamen city show that the Siming district, Xiangan district, and the other four districts belong to high risk area, low risk area, and medium risk areas, respectively, due to the discrepancies of ground flash, economy, and population. It is a more detailed reference to help the Xiamen lightning protection department to make scientific, appropriate, and economic lightning protection programs for the local situations.