The present invention relates to a Chinese Tibet medicine for mainly curing the diseases of acute and chronic sprain and contusion, rheumatism and rheumatoid disease and its preparation method. It is characterized by that said preparation method includes the following steps: utilizing the Chinese Tibet medicinal materials of lamiophlomis rotate, Jidou, turmeric, zanthoxylum husk, water buffalo horn and myricaria germanica as raw material, making them undergo the processes of decocting, vacuum freeze-drying, pulverizing and making them into any pharmaceutically-acceptable dosage form, including oral preparation or preparation for external application, in particular, it can be made into the adhesive plaster, ointment preparation, spray, gel preparation, film preparation and resin plaster, etc.