A particulate material production apparatus comprising: a droplet ejector (2; 105) to eject droplets of a particulate material composition liquid or a melted particulate material composition in a droplet ejection direction from nozzles located on a droplet ejection surface of the droplet ejector (2; 105); a solidifying device to solidify the droplets ejected by the droplet ejector (2; 105); a first airflow forming device to form a first airflow to feed the droplets ejected by the droplet ejector to the solidifying device with the first airflow, wherein a traveling direction of the first airflow is substantially perpendicular to the droplet ejection direction; and a second airflow forming device (108-3,106) to form a second airflow to apply the second airflow to the droplets before the droplets are fed by the first airflow, wherein the second airflow forming device forms the second airflow by supplying a pressed gas from a slit, characterized in that the second airflow forming device (108-3, 106:) includes: an airflow forming member (108-3:) located adjacent to the droplet ejector (2; 105) to form the slit, and wherein an end surface of a wall of the droplet ejector (2; 105) on a droplet ejection surface side of the droplet ejector is slanting relative to the droplet ejection surface, the slit is formed by the slanting end surface of the droplet ejector and the airflow forming member (108-3:) located adjacent to the slanting end surface with a gap therebetween, and an end surface of the airflow forming member (108-3:) and the droplet ejection surface of the droplet ejector (2; 105) are located on substantially a same plane. a droplet ejector (2; 105) to eject droplets of a particulate material composition liquid or a melted particulate material composition in a droplet ejection direction from nozzles located on a droplet ejection surface of the droplet ejector (2; 105); a solidifying device to solidify the droplets ejected by the droplet ejector (2; 105); a first airflow forming device to form a first airflow to feed the droplets ejected by the droplet ejector to the solidifying device with the first airflow, wherein a traveling direction of the first airflow is substantially perpendicular to the droplet ejection direction; and a second airflow forming device (108-3,106) to form a second airflow to apply the second airflow to the droplets before the droplets are fed by the first airflow, wherein the second airflow forming device forms the second airflow by supplying a pressed gas from a slit, characterized in that the second airflow forming device (108-3, 106:) includes: an airflow forming member (108-3:) located adjacent to the droplet ejector (2; 105) to form the slit, and wherein an end surface of a wall of the droplet ejector (2; 105) on a droplet ejection surface side of the droplet ejector is slanting relative to the droplet ejection surface, the slit is formed by the slanting end surface of the droplet ejector and the airflow forming member (108-3:) located adjacent to the slanting end surface with a gap therebetween, and an end surface of the airflow forming member (108-3:) and the droplet ejection surface of the droplet ejector (2; 105) are located on substantially a same plane. an airflow forming member (108-3:) located adjacent to the droplet ejector (2; 105) to form the slit, and wherein an end surface of a wall of the droplet ejector (2; 105) on a droplet ejection surface side of the droplet ejector is slanting relative to the droplet ejection surface, the slit is formed by the slanting end surface of the droplet ejector and the airflow forming member (108-3:) located adjacent to the slanting end surface with a gap therebetween, and an end surface of the airflow forming member (108-3:) and the droplet ejection surface of the droplet ejector (2; 105) are located on substantially a same plane.