粘胶纤维是人造纤维的主要品种，广泛用于各种衣料、手套等织物中。在刑事案件现场，经常可获取到微量纤维，其中粘胶纤维占很大比例。准确地确定其种类和确定其来源于某一体，对认定嫌疑人，侦破案件将起重要作用。纤维种类检验的方法很多，如用生物显微镜观察形貌区分天然纤 Viscose fiber is the main variety of man-made fibers, widely used in various fabrics, gloves and other fabrics. Microfibers are often available at the scene of criminal cases, of which viscose fibers account for a significant proportion. Accurately determine its type and determine its origin in a body, to identify suspects, detect cases will play an important role. There are many ways to test the fiber type, such as using a biological microscope to observe the topography to distinguish between natural fibers