Rosa laevigata decoction pieces and preparation method thereof

The invention discloses a fructus rosae laevigatae decoction piece and a preparation method thereof, and belongs to the technical field of traditional Chinese medicine processing, and the preparation method comprises the following steps: taking a fructus rosae laevigatae raw medicinal material, removing impurities, rapidly washing, slightly soaking the washed fructus rosae laevigatae in rice washing water, selecting polished round-grained rice, washing twice, combining the water for washing the rice twice, moistening thoroughly, longitudinally cutting into two sections, drying in the sun until the water is completely dry, and taking out the fructus rosae laevigatae decoction piece; the preparation method comprises the following steps: putting the dried rosa laevigata into a roller, impacting back and forth until the inner core of the rosa laevigata falls off, taking out the rosa laevigata, screening to remove hair and inner core, putting a proper amount of cleaned bran into a preheated herbal medicine roaster