The invention discloses a flower pot with a humidifier. The flower pot comprises a flower pot body and the humidifier disposed on the flower pot body, the flower pot body comprises a planting pot capable of accommodating soil, a plurality of water-permeable holes penetrating through the planting pot are formed in the bottom of the planting pot, a water storage pot is arranged at the lower end of the planting pot, a plurality of positioning blocks are arranged in the water storage pot, first accommodating grooves for placing expansion bags are formed in the sides, facing the planting pot, of the positioning blocks, the bottom wall of the planting pot is provided with a plurality of fixing blocks which are upwardly convex and cooperate with the positioning blocks, a plurality of second accommodating grooves for accommodating the positioning blocks are formed in one side of each fixing block, a power supply device is arranged on one side of the flower pot body to provide an external powersupply for the humidifier, and the power supply device is communicated with a water storage box and a planting box abutting each other to supply power for the humidifier. The pot has the following advantages that the frequency of artificial watering and water spraying can be reduced to meet the demand for planting of flowers and plants which like dark and damp in north families.