Abstract: The application of biomass pellet burner develops rapidly in domestic at present，but many researchers don′t pay much attention to the research of feeding systems.Nevertheless，the feeding systems of burner are related to property，efficiency and pollutant emissions.Characteristics of different feeding systems of biomass pellet burner were described and advantages and disadvantages of common anti-burning back feeding methods were mainly concluded.The purpose was to get some thoughts for research of feeding systems.