Provided are a catecholamine production accelerator comprising a natural product as an active ingredient, a therapeutic and preventive agent for diseases caused by catecholamine deficiency, and a therapeutic and preventive food composition for diseases caused by catecholamine deficiency. The present invention provides a catecholamine production accelerator comprising a dry powder, triturate and/or extract of worms as an active ingredient, a therapeutic and preventive agent for diseases caused by catecholamine deficiency, and a therapeutic and preventive food composition for diseases caused by catecholamine deficiency. The diseases caused by catecholamine deficiency are preferably selected from the group consisting of Alzheimer's disease and Parkinson's disease.本發明提供一種將天然物作為有效成分含有之兒茶酚胺產生促進劑，起因於缺乏兒茶酚胺之疾病的治療藥．預防藥，起因於缺乏兒茶酚胺之疾病的治療用．預防用食品組成物。將蚯蚓的乾燥粉末、磨碎物及/或萃取物作為有效成分含有之兒茶酚胺產生促進劑，起因於缺乏兒茶酚胺之疾病的治療藥．預防藥，起因於缺乏兒茶酚胺之疾病的治療用．預防用食品組成物。起因於前述缺乏兒茶酚胺之疾病係選自阿滋海默氏病及帕金森氏病所成群較佳。
