1. Introduction 2. Shear-induced generation of controllable multiple emulsions in microfluidic devices 3. Wetting-induced generation of controllable multiple emulsions in microfluidic devices 4. Microfluidic fabrication of monodisperse solid microparticles 4.1 Stimuli-responsive microspheres for sensing and actuating 4.2 Smart microspheres for Pb2+ adsorption and separation 5. Microfluidic fabrication of monodisperse porous microparticles 5.1 Thermo-responsive porous microparticles with tunable response behaviors 5.2 Thermo-responsive microparticles with open-celled porous structure for fast response 6. Microfluidic fabrication of uniform hierarchical porous microparticles for separation 7. Microfluidic fabrication of monodisperse hollow microcapsules for controlled release 7.1 Glucose-responsive microcapsules for controlled release of insulin 7.2 Multi-stimuli-responsive microcapsules for adjustable controlled-release 8. Microfluidic fabrication of monodisperse core-shell microcapsules for burst release 8.1 Smart microcapsules for thermo-triggered burst release 8.2 Smart microcapsules for pH-responsive burst release 8.3 Smart microcapsules for K+-responsive burst release 9. Microfluidic fabrication of monodisperse hole-shell microparticles for controlled capture 10. Microfluidic fabrication of controllable multicompartmental microparticles 10.1 Multi-core/shell microparticles for co-encapsulation and synergistic release 10.2 Trojan-Horse-like microparticles for co-delivery and programmed release 11. Microfluidic fabrication of functional microfibers with controllable internals 11.1 Peapod-like microfibers for controllable encapsulation 11.2 Spider-silk-like microfibers for 3D assembly and water collection 12. Microfluidic fabrication of membrane-in-a-chip with self-regulated permeability for detection13. Microfluidic fabrication of microvalve-in-a-chip 13.1 Smart microvalve-in-a-chip with thermostatic control for cell culture 13.2 Smart microvalve-in-a-chip with ultra-sensitivity for real-time detection 14. Conclusions and Perspective Index sakriti opis