签名笔迹具有字数少、变化大、书面语言特点难以暴露、便于摹仿伪装等特点,鉴定难度较大。本文从书写人的生理、心理及客观因素等方面详细分析其签名笔迹特点的形成并指出具体表现特征,据此,提出与一般笔迹鉴定不同的具体步骤、检验方法和注意事项。 Signature handwriting with a small number of words, changes in large, written language features difficult to expose, easy to imitate camouflage and other characteristics, the identification of more difficult. This paper analyzes in detail the writer’s physiological, psychological and objective factors and other aspects of the formation of signature handwriting characteristics and pointed out the specific characteristics of the performance, thus, proposed a different general handwriting identification of specific steps, test methods and precautions.