At first, some preparative methods of magnetic microsphere were summarized, including physical and chemical methods such as spray evaporation, heat treatment, emulsion polymerization, self-assembly and so on.

• 首先介绍磁性微球的几种制备方法，包括喷雾干燥、热处理等物理方法，以及乳液聚合、自组装等化学方法。