毛发角蛋白组成由dNA决定。不同种属和不同个体的毛发角蛋白组成有差异。因此，对毛发角蛋白的研究已引起法医工作者的重视。近年来，国内外有关这方面的研究已有很多报道，本文就毛发角蛋白的研究及其在法医物证学中的应用作一综述。一、毛发角蛋白的组成毛发的主要成分为角蛋 Hair keratin composition is determined by dNA. Different species and different individuals have different hair keratin composition. Therefore, the research on hair keratin has attracted the attention of forensic workers. In recent years, there are a lot of reports on this aspect at home and abroad. This article reviews the research on hair keratin and its application in forensic evidence. First, the composition of hair keratin The main component of hair keratin