Abstract: Pickering emulsions prepared by natural,renewable and biodegradable solid particles have become a hot topic.Present studies have indicated that the stability of Pickering emulsions depended largely on the nature of the solid particles. Therefore,the types,fabrication and characterization of solid particles were reviewed in this paper,focusing on the stabilization of biological organic particles such as polysaccharides and proteins. The factors affecting the Pickering emulsion stability were summarized and potential applications of Pickering emulsions in life science were also illustrated.