The present invention discloses a flowerpot with an air purifying device. The flowerpot is characterized in that the flowerpot comprises a flowerpot main body (1), a flowerpot bottom holder (2) and a flowerpot lid (3), a water leaking port (4) is disposed in a bottom part of the flowerpot main body (1), the flowerpot main body (1) is externally provided with threads and is fixedly connected with the flowerpot bottom holder (2) through the threads, a gap is reserved between the flowpot main body (1) and the flowerpot bottom holder (2), the air purifying device is disposed at the lower half of the flowerpot bottom holder (2) and comprises a housing, a fan and a plasma purifier are installed inside the housing, an air inlet (6), an air outlet (7) and a power port (8) are disposed in an outer wall of the housing, an antiskid device is disposed on the bottom part of the flowerpot bottom holder (2), the flowerpot lid (3) is formed by splicing two half-round lids, and a central position of each half-round lid is provided with a small half-round notch concentric with the half-round lid. The flowerpot provided by the present invention is simple in structure and convenient to use, the air quality inside a vehicle can be fully improved, and space is saved.