１引言 神经系统变性疾病多发于老年人，其诊断和鉴别诊断主要依靠临床表现，目前尚缺乏科学、方便的特异性检查方法，因此，为这类疾病的诊断、鉴别诊断、治疗及病情监测、评估等提供新的检查技术或方法就显得很有必要。本文将介绍较有发展前景的新的检查技术——多巴胺转运体 1 Introduction Nervous system degenerative diseases occur in the elderly, the diagnosis and differential diagnosis mainly rely on clinical manifestations, there is a lack of scientific and convenient specific examination method, therefore, for the diagnosis of these diseases, differential diagnosis, treatment and disease monitoring, Evaluation and other new inspection techniques or methods is necessary. This article will introduce more promising new detection techniques - dopamine transporter