The present invention relates to a seedling planting device, and the seedling planting device having a driving unit (10), a planting unit(20), and an operating unit(30) is formed by a combination of: a height-adjusting part (40) which has one side connected to the planting part (20) between the driving part (10) and the planting part (20), and allows the height of a tamping roller (80) connected to the lower part of the height-adjusting part (40) to be adjusted a link part (50) for connecting the driving part (10) and the height-adjusting part (40) in a rotatable manner such that the driving part (10) and an end portion of the height-adjusting part (40) on a side of the driving part (10) can be elevated independently of each other a fixing and connecting part (60) for allowing upper portions of a pair of guide plates (62) to be axially fixed to an upper end of a support (61) having a lower end coupled to the driving part (10) and a load support part (70) which is connected to elevate by allowing both-sided lower ends thereof to be axially fixed to a link of the link part (50) by penetrating guide holes (620) formed on the guide plates (62) between the pair of guide plates (62), and which is formed to absorb load impact of the planting part (20) by having a certain amount of elasticity towards the top thereof.La présente invention concerne un dispositif de plantation de semis, le dispositif de plantation de semis ayant une unité dentraînement (10), une unité de plantation (20), et une unité dactionnement (30) est formé par une association de : une pièce dajustement de hauteur (40) qui a un côté raccordé à la pièce de plantation (20) entre la pièce dentraînement (10) et la pièce de plantation (20), et permet à la hauteur dun rouleau amortisseur (80) raccordé à la partie inférieure de la pièce dajustement de hauteur (40) dêtre ajustée une pièce de liaison (50) destinée à raccorder la pièce dentraînement (10) et la pièce dajustement de hauteur (40) de façon rotative de
