Objective to explore a way to make a new chitosanbased microspheres, which might be used as a novel hemostatic powder. Methods The emulsification and cross-link was chosed as preparation process; the hemostatic efficiency of MS and its accelerating effect on wound healing were evaluated when the MS stoped the bleeding and became hydrogel; Finally, the biocompatibility of MS was explored. Results The MS presents white powder, the loose construction makes its easier to absorb the water when it meet with body ...