The invention discloses an anti-overflow intelligent volatilization pot doser, which comprises a dosing cover, a delivery pipe and a support post arranged in the dosing cover, wherein the dosing cover is located on a volatilization pot dosing hole and is used for periodically storing and releasing an anaesthetic; the delivery pipe is connected with the dosing cover and a volatilization pot separately; a plurality of anesthetic chambers which are equal in volume and are arranged in the circumference around the support post as the center are arranged in the dosing cover; each anesthetic chamber is provided with an inlet and an outlet; each inlet is provided with a first valve into which the anesthetic flows, and a nozzle for spraying the anesthetic into the corresponding anesthetic chamber is arranged in the inlet of the anesthetic chamber; each outlet is provided with a second valve out of which the anesthetic flows; and each second valve is connected with the delivery pipe. Each anesthetic chamber is equal in volume and equal in anesthetic capacity, so that the anti-overflow intelligent volatilization pot doser can be used for controlling the dosage through adding the plurality of anesthetic chambers.