The invention relates to a traditional Chinese medicinal preparation for treating a burn and a preparation method thereof. The traditional Chinese medicinal preparation for treating the burn is prepared from the following raw materials in parts by weight: 19-21 parts of sanguisorba officinalis stir-fried to be black, 7-9 parts of pubescent holly root, 14-16 parts of scutellaria baicalensis, 7-9 parts of coptis chinensis, 5-7 parts of rheum officinale, 2-4 parts of cortex phellodendri, 5-7 parts of honeysuckle, 9-11 parts of dandelion, 4-6 parts of mint borneol, 4-6 parts of d-borneol, 2-4 parts of raw frankincense, 2-4 parts of raw myrrh, 2-4 parts of medicinal cyathula root, 9-11 parts of Chinese gall, 9-11 parts of yellow wax and 200 parts of sesame oil. The traditional Chinese medicinal preparation for treating the burn is obtained by boiling multiple cold traditional Chinese medicines, has the functions of clearing heat, easing pain, drawing out poison, diminishing inflammation, activating blood, eliminating stagnation and activating meridians, dispersing blood stasis and promoting regeneration of muscles and has no side effect and obvious curative effect, symptoms can be lessened once the traditional Chinese medicinal preparation for treating the burn takes effect, pain of a patient can be timely eliminated, and the patient can obtain skin perfect as ever.