PROBLEM TO BE SOLVED: To obtain a pharmaceutical which is prepared only by combining an &alpha-glucosidase inhibitor with a non-sulfonyl urea insulin secretion facilitative drug as active ingredients and is useful as a prophylactic/therapeutic agent for diabetes or the like.SOLUTION: This pharmaceutical is prepared by combining the &alpha-glucosidase inhibitor only with the non-sulfonyl urea-based insulin secretion facilitative drug.COPYRIGHT: (C)2001,JPO【課題】活性成分としてα-グルコシダーゼ阻害薬と非スルホニルウレア系インスリン分泌促進薬のみを組み合わせてなり、糖尿病などの予防・治療剤として有用な医薬を提供する。【解決手段】活性成分としてα-グルコシダーゼ阻害薬と非スルホニルウレア系インスリン分泌促進薬のみを組み合わせてなる医薬。