The utility model discloses a double -layer flower pot with absorbent cotton layer, including inlayer, skin, flowerpot edge, fence, wash port, ventilation hole, handle, cotton wool layer, line hole, the cotton thread that absorbs water, water inlet and stabilizer blade. The beneficial effects of the utility model are that: ponding on the interior intraformational cultivation soil passes through the wash port and flows into the space department between inlayer and the skin, form ponding on the cultivation soil, emit into the space department between inlayer and the skin through the wash port with ponding, the root of avoiding the ponding register soaks, the ventilation hole makes space and the external circulation air current that forms between inlayer and the skin, make the space between inlayer and the skin be filled with oxygen, the root that is favorable to the flower must absorb, promote to grow, the one end of cotton thread of absorbing water is passed the line hole and is linked together with the cotton wool layer, the line hole conveniently absorbs water the cotton thread and passes through the bottom of inlayer, the root of register must provide moisture, the end of intaking of water inlet is established to the dustpan form, when the space water injection to between inlayer and the skin, the proper just water injection of intaking through the dustpan form.