Application of sharpleaf galangal fruit general flavones in preparation of medicines for treating premenopausal syndrome

The invention relates to application of sharpleaf galangal fruit general flavones in preparation of medicines for treating premenopausal syndrome. According to the invention, the application problem of sharpleaf galangal fruit general flavones serving as the unique active ingredient in preparation of medicines for treating premenopausal syndrome can be effectively solved. The sharpleaf galangal fruit general flavones can be prepared by the following steps: grinding sharpleaf galangal fruit into coarse powder, performing reflux extraction by using petroleum ether, degreasing, volatilizing and drying petroleum ether from sharpleaf galangal fruit residues, adding ethanol for soaking, performing reflux extraction, filtering, recovering ethanol under reduced pressure until alcohol flavor is removed, and adding distilled water for dispersing, thereby obtaining the liquid medicine; adding the liquid medicine on AB-8 type macroporous resin, eluting by using distilled water, and removing water elution; eluting by usin