将喷漆罐作为书写工具喷写字迹是一种新型的书写方式。本研究以25人的100份喷涂字迹为研究对象,结合案件检验的实践,通过对每个人的喷涂字迹与其书写的正常笔迹进行比较,初步总结出喷涂字迹笔迹特征的变化规律,同时阐述了此类笔迹的形成机理。 Spray paint cans as a writing tool to write and write handwriting is a new type of writing. In this study, 100 spray painting handwriting of 25 people was taken as the research object. According to the practice of case examination, the variation of handwriting characteristics of spray handwriting was summarized by comparing each person’s handwriting with the normal handwriting of the handwriting. At the same time, The formation mechanism of class writing.