Deflection tomography and PIV were applied simultaneously to in- vestigate the velocity and temperature fields of combustion. An exper- imental setup composed of a burning system, a PIV system and a de- flection tomography system was designed in this study. Moirépatterns, tracer particles and flame images were captured synchronously by two CCD cameras. The Moirépatterns were processed to reconstruct the tem- perature distributions of combustion based on the wave-front recovery method and the Abel-inversion algorithm, and the tracer particles and flame images were processed for velocity field analysis. The velocity and temperature fields of combustion were matched and visualised simulta- neously using the pixel registration method. The validity of the method was verified by measurements of a non-premixed flame, and the exper- imental results showed that the high-temperature and high-speed zones of the combustion flow field do not coincide. Flow field characteristics and the coupled imaging effect on multi-parameter measurements were also discussed.