This creation is related to a nasogastric tube feeding device and its regulator, including: a pushing container with an opening; a regulator connected to the pushing container, the regulator including a shell, the shell has a container The accommodating space, and an injection hole connected to the accommodating space and the opening of the pushing container; an adjusting plate, the adjusting plate can be movably arranged in the accommodating space, the adjusting plate is provided with a plurality of different apertures The hole, through the movable displacement of the adjusting disc, selects the through hole with different diameters to align with an inlet end, so as to control the flow rate and flow velocity of the fluid food passing through the inlet end.本創作係有關一種鼻胃管灌食器及其調節器,包括:一推擠容器,有一開口處;一調節器,連接於該推擠容器,該調節器包括一殼體,該殼體有一容置空間,以及有一注入孔連通該容置空間及該推擠容器的該開口處;一調節盤,該調節盤可活動的設置於該容置空間,該調節盤上設有複數不同孔徑之透孔,透過該調節盤的活動位移而選擇不同孔徑之該透孔對準一進口端,以達到控制流體食物通過該進口端之流量與流速。