A nebulizer assembly, and more particularly, for nebulizing liquids into aerosols, includes an oscillation driver connected with an aerosol excitation device at one end thereof, a liquid delivery device adjacently disposed to the aerosol excitation device for supplying an impingement baffle provided in the aerosol excitation device with micro liquid bodies having tension liquid membranes, so that energy is completely acted upon the micro liquid membranes for excitation into aerosol particles, thereby achieving aimed excitation without causing unnecessary loads.