The use of pharmaceutical compositions in preparing pharmaceuticals for treating diabetic ulcer in limb or on body surface, or in preparing medical dressing. The pharmaceutical compositions consist of (A) 3 to 15% by weight of edible beeswax and (B) 85 to 97% by weight of sesame oil extract of Scutellaria root, Coptis root, Phellodendron bark, earthworm and poppy capsule, based on the total weight of the pharmaceutical compositions. In the sesame oil extract, each of Scutellaria root, Coptis root, Phellodendron bark, earthworm and poppy capsule is in an amount of 2 to 10% by weight of dry raw material based on the total weight of sesame oil. A medical dressing for treating diabetic ulcer and corresponding medicine box enclosing the said dressing are also provided.
