Janus particles of anisotropic structure and composition

attributing to their particular properties

have attracted losts of attention of researchers recently. This review focuses on the recent progress of polymeric Janus Particles including dumbbell-like particles

snowman-like particles

raspberry-like particles and mushroom-like particles and introduces several new synthesis methods

including emulsion polymerization

phase separation and self-assembly methods

summarizes the applications

including chemistry catalyst

biomedical

wastewater treatment

color display

optical probe fieldsand autonomously motile nanomotors

and points out the problems and research direction in this domain.