The invention is a high-efficiency, energy-saving and high-speed burner for a gas cooker used in catering industry and includes a burner, a pre-heater, a pre-mixing small fire burner, a fireproof fire ring, an electronic ignition system and a regulating device. After being necked down, the burning flame is ejected with high speed rotation to form the rotary rapid ejection burning flame, thereby realizing sufficient burning, facilitating boiler heating, and increasing the heating speed with low burning noise and high heat efficiency. The high-efficiency, energy-saving and high-speed burner for the gas cooker has the advantages of simple manufacture, easy maintenance, sufficient burning, high flame temperature, convenient boiler heating, improved heating speed, low power of the equipped blower fan, low burning noise, high thermal efficiency, convenient regulation, full-automatic ignition, concentrative firepower, intensive fire, energy conservation, strong adaptability, capability of meeting different requirements, wide application, easy processing, low manufacture cost and suitability for mass production.