PROBLEM TO BE SOLVED: To provide a new agent for the treatment of cardiac failure having excellent cardiac function improving action.SOLUTION: The agent for the treatment of cardiac failure contains a cholinesterase inhibitor as an active component. The cholinesterase inhibitor is preferably one or more compounds selected from donepezil, tacrine, rivastigmine, galantamine, pyridostigmine and neostigmine or their physiologically permissible salts.COPYRIGHT: (C)2007,JPO&INPIT【課題】 優れた心機能改善作用を有する新規な心不全治療薬を提供する。【解決手段】 コリンエステラーゼ阻害薬を有効成分とする心不全治療薬である。【選択図】 なし