To Provide the scientific data to establish the quality standards of Flos rosae Rugosae.First use Pharmacognosy methods to investigate the external appearance of original of Flos rosae Rugosae.Observation on pollen grain by scanning electron microscope were assayed in original plant;Then,according to the Pharmacopoeia of the People's Republic of China(2005 Edition)measure the ash、 extract content and water of Flos rosae Rugosae.According to the assay results formulate the fine external appearance quality st...