Biomass high temperature cracking multifunctional burner has good performance and can be customized according to the actual needs of customers, and can also be modified for coal-fired, gas-fired and oil-fired boilers that are now in operation. Biomass burners are mainly used in steam boilers, hot water boilers, metallurgical industry, drying equipment, spraying equipment, ironing equipment, industrial furnaces, asphalt heating equipment, centralized heating, etc.