Automatic evacuating plantlets system based on a plant factory

The present invention discloses an automatic evacuating plantlets system based on a plant factory, which includes a plant density measuring unit, a transplanting position selecting module, a central monitoring unit and a transplanting unit. The plant density measurement unit can measure the density distribution of plantlets in a plant area. When the density distribution of the plantlets reaches a preset threshold value, a pinch position signal is generated, and the transplanting position selecting module generate a shift position signal representing the position of the transplanted strain. The central monitoring unit processes the pinch position signal and the shift position signal to output a control signal. The transplanting unit is triggered by the control signal to move the plantlets from the gripping position to a transplanted position. Whereby the plantlets are distributed on an optimal growth space, so as to effectively achieve the purpose of improving the quality and quantity of crops.