Circular production line for vegetable

A circular production line for vegetables, comprising two sets of oppositely disposed support units; each set of support units comprises a plurality of intervally disposed upright posts (1); the upright posts (1) are provided with first sprocket wheels (3) in the upper portion and second sprocket wheels (12) in the lower portion; the first sprocket wheels (3) and the second sprocket wheels (12) are connected via transmission chains (2); a plurality of connecting rods (9) are intervally disposed at positions relative to the two sets of the transmissions chains (2); and the connecting rods (9)are provided with a plurality of vegetable cultivation units. The production line uses power units to drive the transmission chains (2) to move the vegetable cultivation units. Unmanned management of a production process can be achieved by using a control unit to control the production line to operate as programmed.