Upright column hanging type automatic three-dimensional cultivation device

The invention relates to an upright column hanging type automatic three-dimensional cultivation device which comprises inner upright columns, outer upright columns, flowerpot mounting racks, cylinder components and nutrient solution grooves, wherein the outer upright columns sleeve the out rings of the inner upright columns; the flowerpot mounting racks are connected to the outer upright columns and are used for accommodating flowerpots; the installation quantity of the outer upright columns is regulated according to plant growth demands, and the vertical height distance between the every two flowerpots is regulated; the cylinder components are arranged at the bottom ends of the inner upright columns and used for driving the outer upright columns to reciprocate up and down along the inner upright columns; the nutrient solution grooves are formed at the top ends of the inner upright columns and used for conveying nutrient solutions and moisture to plants in the flowerpots. Compared with the prior art, the upri