Soilless culture planting device

The invention discloses a soilless culture planting device, and relates to the technical field of soilless culture. The device comprises a bottom plate, a planting frame is fixedly mounted on the upper surface of the bottom plate, and uniformly distributed planting boxes are detachably connected to the surface of the planting frame; by starting a water pump in a water tank, the water pump enables soilless culture water in the water tank to enter a spray head through a connecting hose and synchronously drives a moving seat to horizontally move in a reciprocating mode, the moving seat enables the spray head to horizontally move synchronously through a fixing rod, and the soilless culture water is injected into a plurality of planting boxes while the spray head horizontally moves in a reciprocating mode; according to the automatic water injection device for the soilless culture, plant branches and leaves in the multiple planting boxes are sprayed by the spray heads, so that automatic injection of water for the s