Abstract: The current status and progress of porous hydrogels are summarized. The introduction of porous structure greatly enhance the swelling rate and equilibrium absorbency of hydrogels，which can be applied to the preparation of hydrogels with environmental sensitivity. The preparation methods for porous hydrogels are presented and their advantages and shortcomings are discussed，such as the foaming technique，the porogenic technique，the phase separation technique and the frontal polymerization method etc.

摘要： 综述了近年来国内外多孔水凝胶的研究现状和进展，指出多孔结构的引入极大地提高了水凝胶的吸水速率和吸水倍率，从而能很好地应用于制备环境敏感性水凝胶。着重对多孔水凝胶的制备方法进行了总结评述，对比分析了发泡法、致孔法、相分离法以及前线聚合法制备多孔水凝胶的优势和不足。