As a new kind of functional composite material

magnetic polymer microsphere has many advantages

such as nanosize

superparamagnetism

good biocompatibility

low toxicity

so it has received more and more people's extensive and in-depth research. This review briefly introduces the preparation methods of inorganic magnetic particles and classification of magnetic polymer microspheres

mainly presents traditional preparation methods and the new methods of new technology that have emerged and analyzes the advantages

disadvantages and main influence factors of preparation methods. In addition

this review introduces the latest research results in recent years and application fields

analyzes the future development trend and the existing problems of polymer microsphere.