The invention relates to a
flame stable burner, characterized in that it comprises a circle or rectangle cup body, a rectangle tube set in the cup body and a taper ring body set at the middle-upper part of the tube; the top edge of said tube is higher than the top edge of said cup body; a distance is stayed between the bottom edge of said tube and the bottom face of said cup body; multiple air inlets are set at the bottom face of said cup body; a fuel
nozzle connected with the fuel air source passes through the center of bottom face of said cup body; axes of said cup body, said tube, said ring body and the
nozzle are the same. The invention is provided with reasonable design and has a very good path for mutually burning internal and external
flame. The path can make external
flame burn internal flame when it is burned at the first time and make internal flame burn external flame blown out so that stable burning in the invention can be insured effectively and it is not
quenching. The invention can be used in
torch in Olympic game or other sports meeting, celebration fire altars and
picnic fire.