The invention discloses a portable cultivation and sterilization apparatus. The portable cultivation and sterilization apparatus comprises a bottom plate, as well as a liquid storage box, a rotating shaft and a spraying mechanism which are arranged on the bottom plate; a stirring apparatus is arranged inside the liquid storage box, the stirring apparatus comprises a stirring shaft and stirring blades, the stirring shaft is connected with a driving motor arranged on the top of the liquid storage box by virtue of the rotating shaft, the spraying mechanism comprises a hydraulic stretchable rod, afirst universal rotating joint, a liquid outlet pipe, a second universal rotating joint, a spraying rod and atomizing spraying heads, the outer wall of the liquid storage box is provided with the hydraulic stretchable rod communicated with the liquid storage box, one end of the hydraulic stretchable rod is connected with a liquid suction pipe by virtue of a liquid suction pressurizing pump, the other end is connected with the liquid outlet pipe by virtue of the first universal rotating joint, the liquid outlet pipe is connected with the spraying rod by virtue of the second universal rotatingjoint, the spraying rod is provided with a plurality of atomizing spraying heads, the bottom of the bottom plate is provided with a movable wheel, and a pushing handle is welded on one side of the bottom plate. The portable cultivation and sterilization apparatus is applicable to various fields, convenient to carry, can realize the 360-degree rotation of the spraying rod by virtue of the second universal rotating joint, and is wide in spraying range and good in sterilization effect.