The utility model discloses a soilless culture device for carnation stock plants. A culture solution stirrer of the soilless culture device is of a pot-shaped structure and is connected with a water inlet pipe, two solution inlets are formed in the upper portion of the pot, stirring blades are arranged in the lower portion of the interior of the pot and are connected with a stirring motor at the bottom of the outside side of the pot through a stirring shaft, the bottom of the outside side of the pot is further provided with an oxygenation device, a culture tank is provided with culture cups and a drainage pipeline, dripping holes of a drop irrigation device correspond to the culture cups on the culture tank in position, and substrate layers are laid in the culture cups. The soilless culture device for the carnation stock plants can conveniently prepare nutrient solution for soilless culture of the carnation stock plants, increase dissolved oxygen in the nutrient solution, effectively increases the rooting percentage, achieve automated drop irrigation cultivation of the carnation stock plants and large-scale production and improve economic benefits, and meanwhile, the soilless culture device for the carnation stock plants is simple in operation and high in practicability.