Electronic cigarette circuit and electronic cigarette

The utility model discloses an electronic cigarette circuit and an electronic cigarette. The electronic cigarette circuit comprises a battery, a microprocessor and a heating element, wherein the battery is connected with the microprocessor; the microprocessor is connected with a pressure measuring device used for measuring internal pressure of a flue gas pipeline of the electronic cigarette; the microprocessor is connected with a voltage boost circuit, an output control circuit and the heating element; the voltage boost circuit is connected with the battery; the voltage boost circuit, the output control circuit and the heating element are sequentially connected. The microprocessor provided by the utility model can be used for adjusting the output power of the voltage boost circuit according to the magnitude of the suction force of a smoker, thereby adjusting the temperature of the heating element, achieves the purpose of adjusting the atomization amount and the concentration, enables the atomization amount to be constant, improves smoking mouthfeel, and prevents power waste.