综述了近年来SO₄^2-/M_xO_y型固体超强酸在载体改性（引入稀土元素、其他金属、金属氧化物、分子筛等）和促进剂改性（S₂O₈^2-、MoO₃、WO₃等代替SO₄^2-）等方面的研究进展，着重介绍了在有机合成（酯化反应、烷基化反应、异构化反应、脱水反应等）、光催化反应、燃料油氧化脱硫、生物柴油和电极材料等领域的应用；展望了SO₄^2-/M_xO_y型固体超强酸催化剂的研究和应用前景。

Latest researches in the modification of SO₄^2-/M_xO_y solid superacid are reviewed from carrier and accelerant aspects.Carrier modification includes the addition of rare earth elements,other metals,metal oxides and molecular sieves,and accelerant can be modified by using S₂O₈^2-,MoO₃ and WO₃ replacing of SO₄^2-.The introduction emphasis is placed on the application of SO₄^2-/M_xO_y solid superacid in organic synthesis (esterification reaction,alkylation reaction,isomerization reaction and dehydration reaction),photocatalytic reaction,fuel oil desulfurization,biodiesel and electrode materials.The prospects on researches and applications of SO₄^2-/M_xO_y solid superacid catalysts are predicted.