The utility model relates to a hydroponic plant device, wherein a container body is provided with a cover body, and the cover body is provided with a plug hole for inserting a planting tube, wherein the planting tube body is provided with a plugging groove as a plug For the purpose of hydroponic plants, the bottom of the insertion trough is provided with a circular hole for piercing a water absorption body, and the water absorption body covers the root of the plant, thereby absorbing the water and nutrients in the container body, and the characteristics thereof The top of the planting cylinder is provided with an enlarged retaining edge, and a plurality of ribs are arranged around the lower side of the enlarged retaining edge, so that the plurality of ribs can be used when inserting the insertion hole in the cover body. The ribs form an interference fit relationship with the inner wall of the insertion hole, and the outer diameter of the enlarged retaining edge is larger than the outer diameter of the cover body, so that the user can easily take out the planting tube by expanding the retaining edge to facilitate water filling and water exchange. By.一種水耕植物器具，尤特指容器本體上設有一蓋體，該蓋體上設有一插設孔，可供插設一植栽筒，該植栽筒的內部設有一插設槽，作為插設水耕植物之用，該插設槽的底部設有一圓孔，可供穿設一吸水體，由該吸水體包覆住植物的根部，藉此吸取容器本體內的水分與養分，其特徵在於：該植栽筒的頂部設有一擴大擋緣，該擴大擋緣的下方周圍處設有複數個肋條，讓該植栽筒在插設於蓋體的插設孔時，可以利用該複數個肋條與插設孔的內壁形成一干涉的緊配合關係，同時該擴大擋緣的外徑大於蓋體的外徑，讓使用者可以由擴大擋緣輕易取出植栽筒，方便裝水與換水者。
