Preparation and surface functionalization of polymer microspheres,immobilization of bioactive substance on these microspheres and applications of them in biomedicine were discussed in detail.

• 综述了生物医用高分子微球载体的制备方法、表面功能化途径以及生物活性物质的固定化方法,并对高分子微球在生物医学领域的应用作了简要介绍。