Application of pagodatree flower general flavone extract in preparing medicament for inhabiting cutaneous pigmentation

The invention discloses an application of a pagodatree flower general flavone extract in preparing a medicament for inhabiting cutaneous pigmentation. In the invention, pagodatree flower general flavone is used as a study object and the inhibiting function for tyrosinase is studied, and a result shows that the pagodatree flower general flavone has a remarkable downward regulation function for theactivity of the tyrosinase, and indicates that the pagodatree flower general flavone has the functions of cutaneous pigmentation inhibition, whitening and hairdressing and can be used for preventing and treating pigment increasing skin diseases or whitening and hairdressing of external cosmetics. The pagodatree flower general flavone extract is a pure natural plant extract which has low toxicity and can not influence the human health.