Traditional Chinese medicine preparation for treating diabetic foot ulcer and preparation method thereof

The invention relates to the field of traditional Chinese medicine, in particular to a traditional Chinese medicine preparation for treating diabetic foot ulcer and a preparation method thereof, and the traditional Chinese medicine preparation comprises angelica sinensis, radix rehmanniae, carbonized hair, lithospermum, dragon's blood, tortoise plastron, cuttlebone, gypsum, calamine and auxiliary materials including beeswax, white wax and sesame oil. Adding sesame oil into the pot, and adding carbonized hair into the pot; taking out the carbonized hair, and grinding the carbonized hair to obtain the carbonized hair paste after the carbonized hair is pasty; putting tortoise plastron into a sesame oil pot, boiling until chestnut skin color is achieved, then adding sesame oil, putting raw materials into the pot, boiling until the raw materials are scorched, adding angelica sinensis and lithospermum until the raw materials are scorched, filtering to remove medicine residues, and boiling with low fire; adding sesa