A root nail device includes a first frame and a second frame with one end pivotally arranged on the first frame so as to be rotatably expanded or collapsed, and a tread nail set is arranged between the first and second frames, and A nail box is installed in the second frame, and nails are installed in the nail box. It is convenient for the planter to nail the plant's rhizome, so that the rhizome of the plant can follow the predetermined spacing distance during the growth process, so that each plant has the opportunity to obtain sufficient nutrients, moisture and sunlight Irradiate resources to grow and thrive.一種根釘裝置包括一第一框架及一端樞設於該第一框架可轉動展開或收合的一第二框架，並於該第一及第二框架之間設置一踏釘組，以及在該第二框架中安裝一釘箱，該釘箱中裝設釘子。藉此方便植栽者對於植物的根莖打釘定位，使植物根莖在生長過程中，能隨順著預定鋪排的間隔距離，而讓每株植物都有機會能獲得充分的養份、水份及陽光照射資源加以成長茁壯。
