本文报告20例由麻风引起的神经营养性关节病,其中瘤型8例,结核样型11例,界线类1例.20例累及45处关节.X线表现为增生型1例,萎缩型19例,对其发病机制及原因进行了讨论,本病的特点:1)多为萎缩型;2)受累关节多为腕、踝及其以下关节;3)掌指关节受累最先始于小指和无名指.同时,对本病的诊断和鉴别诊断亦作了讨论. This article reports 20 cases of neurotrophic arthropathy caused by leprosy, including 8 cases of tumor type, tuberculosis type in 11 cases, borderline class 1. 20 cases involving 45 joints.The X-ray showed hyperplastic type in 1 case, atrophy type 19 Cases, the pathogenesis and the reasons were discussed, the characteristics of the disease: 1) mostly atrophic; 2) involved the joints mostly wrist, ankle and below the joints; 3) metacarpophalangeal joint involvement first began in the little finger and Ring finger. At the same time, the diagnosis and differential diagnosis of the disease are also discussed.