SUMMARY A novel polypeptide having excellent angiogenesis-inducing activity and antibacterial activity and its pharmaceutical use are disclosed. The amino acid sequence of the novel polypeptide is represented by any one of SEQ ID NOs: 1 to 6. These polypeptides have angiogenesis-inducing agents and antibacterial activity, and include cuts, surgical wounds, erosions, burns, pressure ulcers, intractable wounds, skin ulcers, lower limb ulcers, diabetic ulcers, occlusive arterial disease and occlusive disease It is effective for prevention, improvement or treatment of skin wounds caused by arteriosclerosis, prevention, improvement or treatment of bacterial infections in these skin wounds.要約優れた血管新生誘導活性および抗菌活性を有する新規なポリペプチド並びにその医薬用途が開示されている。新規ポリペプチドのアミノ酸配列は、配列番号1ないし6のいずれかで表される。これらのポリペプチドは、血管新生誘導剤及び抗菌活性を有し、切創、手術創、びらん、熱傷、褥瘡、難治性創傷、皮膚潰瘍、下肢潰瘍、糖尿病性潰瘍、閉塞性動脈疾患及び閉塞性動脈硬化症に起因する皮膚創傷の予防、改善又は治療や、これらの皮膚創傷における細菌感染の予防、改善又は治療等に有効である。