The utility model discloses a heavy oil feeding atomizing nozzle, and is to eliminate the problems of prior nozzles that sizes of atomized particles are large, and jet velocity is over-high and atomization is uneven. Regarding the utility mode, a steam divider (8) is provided inside the inner chamber (5) of the cylindrical nozzle and is coaxial with the cylindrical nozzle; at least three lines of steam distributor pipes (3) are provided on the steam divider in the axial direction; at least thee steam distributor pipes are provided in each line. Steam jet orifices (31) are provided on shell of each of the steam distributor pipes facing an exit section of a nozzle body and on end sockets of the steam divider; admission openings (91) are provided on a junction panel (9) fixing a steam inlet of the steam divider. A raw oil chamber (21) is provided on outer wall between a raw oil intake (2) and the nozzle body around the nozzle body; the raw oil chamber is communicated with the inner chamber of the nozzle through an oil inlet (22) arranged on the nozzle body. The utility model is primarily used in catalytic cracking units in the petroleum processing industry.