Reinforced concrete slabs are important components in various hydraulic structures.Therefore,studying the damage modes of reinforced concrete slab structures under underwater explosion loads is of great strategic significance.The ABAQUS acoustic-solid coupling method was used to study the damage modes of reinforced concrete slabs under underwa-ter explosion loads.The main parameters affecting the damage of reinforced concrete slabs were analyzed,and several typic-al damage modes of reinforced concrete slabs were summarized.The damage grades of reinforced concrete slabs were de-termined,including minor,moderate,and severe damage.The Kriging model was established to predict the damage mode of reinforced concrete slabs,and the accuracy of the prediction method was verified through examples.The research can provide a reference for in-depth research on the damage of reinforced concrete structures under underwater explosion loads.