CAT and neoplasm: CoFe2O4 nanoflowers can act as POD‐ and CAT‐mimicking nanoenzymes to catalyze the decomposition of H2O2 into hydroxyl radicals (•OH) and O2 for sonodynamic therapy (SDT) and chemodynamic therapy (CDT).[10] Zhang and co‐workers prepared MnFe2O4 nanoenzymes with GPx‐ and CAT‐like activities that can overcome tumor hypoxia and consume GSH by continuously catalyzing H2O2 to generate O2, to achieve a better therapeutic effect.[11] However, nanozymes that concurrently have POD‐, OXD‐, CAT‐, and GPx‐mimicking activities under weak acidic conditions have rarely been explored.