The utility model relates to the technical field of planting boxes. The utility model further discloses a water and soil conservation planting box. Outer box, a lifting rod is fixedly connected to thebottom of the outer box; fixed blocks are fixedly connected to the inner walls of the left side and the right side of the outer box; the left side of the outer box is fixedly connected with a water outlet pipe; a control valve is fixedly connected to the outer part of the water outlet pipe; planting boxes are fixedly connected to the opposite sides of the two fixing plates; an anti-seepage net isfixedly connected to the inner wall of the planting box, a permeation plate is fixedly connected to the inner wall of the anti-seepage net, activated carbon is fixedly connected to the position, located at the top of the permeation plate, in the anti-seepage net, and fine sand is fixedly connected to the position, located at the top of the activated carbon, in the anti-seepage net. According to the water and soil conservation planting box, the problems that in the using process of an existing planting box, vegetation is prone to being drowned when rainwater is too heavy, too much irrigation water is not collected, and therefore water resources are wasted are solved.