Medicinal composition for treating chronic skin ulcer and preparation method thereof

The invention discloses a medicinal composition for treating chronic skin ulcer. The medicinal composition is prepared from the following raw material medicines in percentage by weight: 2 to 15 percent of root of red-rooted salvia, 2 to 15 percent of rheum officinale, 2 to 15 percent of purple gromwell, 2 to 15 percent of Szechuan lovage rhizome, 2 to 15 percent of baical skullcap root, 2 to 15 percent of pseudo-ginseng, 2 to 15 percent of dragon's blood, 2 to 15 percent of frankincense, 2 to 15 percent of myrrh and 2 to 15 percent of goldthread. The preparation method is characterized by comprising the following steps of: frying the root of red-rooted salvia, the goldthread, the rheum officinale, the purple gromwell, the Szechuan lovage rhizome and the baical skullcap root in high temperature sesame oil until the medicines are yellow, grinding the pseudo-ginseng, the dragon's blood, the frankincense and the myrrh into powder, adding the powder, heating the obtained liquid medicine, putting the purple gromwel