Application of isoflavones and their derivatives in Mucopolysacharidose treatment

A method of treatment of mucopolysaccharidosis, the method including administering to a patient in the need of such treatment-a therapeutically effective amount of a natural isoflavone of formula (I), a derivative thereof, or a pharmaceutically acceptable salt thereof. A pharmaceutical composition including a pharmaceutically acceptable excipient; and a natural isoflavone of formula (I), a derivative thereof, or a pharmaceutically acceptable salt thereof, the natural isoflavone, the derivative thereof, or the pharmaceutically acceptable salt threof being in a therapeutically effective amount for the treatment of mucopolysaccharidosis.