 Recently, yak wool has been receiving more attention in the textile industry due to its good quality and competitive price. However, there are still challenges in utilizing yak fibers because of their large dispersion and stiffness which limits the development of yak wool products. To address this issue, this article compares yak wool with cashmere and camel hair, two other animal fibers that have been studded for a long time and have mature manufacturing techniques for some cashmere or camel hair products. By comparing the surface and cross-section morphologies, physical and chemical properties of these three kinds of fiber, better ways to develop yak wool can be obtained. The results show that among the three animal fibers, the scales of yak fibers arrange densest. Additionally, it has the highest strength and friction effect. In terms of chemical properties, the functional groups of these fibers are similar, but the acid and alkali resistances of yak wool are the poorest. This article was offered by Chan Liu, Chunping Xie, and Xinjin Liu. We are article.tv, links in the description below.