A vegetable preservation and growing box, comprising: a thermal insulation box; an electric control component, configured to perform electric control on the thermal insulation box; a control component, configured to regulate temperature, humidity and/or illumination in the thermal insulation box; and a pipeline component, configured to circularly supply a nutrient solution to the thermal insulation box, wherein at least two vegetable carriers for vegetable growing or preservation are disposed in the thermal insulation box, wherein each vegetable carrier is pluggably disposed in the thermal insulation box, and is pluggably electrically connected to the electric control component; and characterized in that when any of the vegetable carriers is pulled out of the thermal insulation box and is electrically disconnected from the electric control component, the electric control component is adapted to control a water connection between the pipeline component and the corresponding vegetable carrier to be cut off, and wherein the pipeline component comprises: an upper container disposed at the top of the thermal insulation box, a lower container disposed at the bottom of the thermal insulation box, a liquid circulation pipline with a first liquid circulation pipeline section that connects the upper container and the lower container for conveying nutrient solution from the lower container to the upper container, a second liquid circulation pipeline section connected to the upper container and provided with at least two through holes at intervals from top to bottom, each of the through holes being adapted to be pluggably connected to a high-level liquid inlet of a corresponding vegetable carrier, and a third liquid circulation pipeline section connected to the lower container and provided with at least two through holes at intervals from top to bottom, each of the through holes being adapted to be pluggably connected to a low-level liquid outlet, so that the nutrient solution flows from the upper container through each vegetable carrier and back to the lower container under the action of gravity. a thermal insulation box; an electric control component, configured to perform electric control on the thermal insulation box; a control component, configured to regulate temperature, humidity and/or illumination in the thermal insulation box; and a pipeline component, configured to circularly supply a nutrient solution to the thermal insulation box, wherein at least two vegetable carriers for vegetable growing or preservation are disposed in the thermal insulation box, wherein each vegetable carrier is pluggably disposed in the thermal insulation box, and is pluggably electrically connected to the electric control component; and when any of the vegetable carriers is pulled out of the thermal insulation box and is electrically disconnected from the electric control component, the electric control component is adapted to control a water connection between the pipeline component and the corresponding vegetable carrier to be cut off, and wherein the pipeline component comprises: an upper container disposed at the top of the thermal insulation box, a lower container disposed at the bottom of the thermal insulation box, a liquid circulation pipline with a first liquid circulation pipeline section that connects the upper container and the lower container for conveying nutrient solution from the lower container to the upper container, a second liquid circulation pipeline section connected to the upper container and provided with at least two through holes at intervals from top to bottom, each of the through holes being adapted to be pluggably connected to a high-level liquid inlet of a corresponding vegetable carrier, and an upper container disposed at the top of the thermal insulation box, a lower container disposed at the bottom of the thermal insulation box, a liquid circulation pipline with a first liquid circulation pipeline section that connects the upper container and the lower container for conveying nutrient solution from the lower container to the upper container, a second liquid circulation pipeline section connected to the upper container and provided with at least two through holes at intervals from top to bottom, each of the through holes being adapted to be pluggably connected to a high-level liquid inlet of a corresponding vegetable carrier, and a third liquid circulation pipeline section connected to the lower container and provided with at least two through holes at intervals from top to bottom, each of the through holes being adapted to be pluggably connected to a low-level liquid outlet, so that the nutrient solution flows from the upper container through each vegetable carrier and back to the lower container under the action of gravity.