PROBLEM TO BE SOLVED: To provide blood-derived activated leukocyte compositions for repair or healing promotion of wounds.SOLUTION: An activated leukocyte composition contains a) 40% to 90% of granulocytes, b) 5% to 20% of monocytes and c) 5% to 30% of lymphocytes, and contains at least 95% of viable leukocytes based on the total number of leukocyte cells and/or at least 75% of CD11b(+) granulocytes relative to the total granulocyte population in the activated leukocyte composition.【課題】創傷の修復もしくは治癒促進のための血液由来の活性化白血球組成物の提供。【解決手段】a)40%~90%の顆粒球;b)5%~20%の単球;およびc)5%~30%のリンパ球を含み、白血球細胞総数に基づき少なくとも95%の生存白血球及び/又は活性化白血球組成物中の総顆粒球集団に対して少なくとも75%のCD11b(+)顆粒球を含む活性化白血球組成物。【選択図】なし