Electric mosquito-repellent incense

The utility model provides an electric mosquito-repellent incense which comprises a shell, mosquito-repellent incense liquid and a heating circuit, and further comprises a circuit board arranged in the shell, and the circuit board comprises a timing circuit used for timing; the control circuit is connected with the timing circuit and drives or turns off the heating circuit according to timing information; and the power supply circuit is connected with an alternating current power supply, the timing circuit and the control circuit and supplies power to the timing circuit and the control circuit. According to the utility model, through the arrangement of the timing circuit, when the set time is not reached, the timing circuit sends a driving signal to the control circuit, and the control circuit drives the heating circuit according to the driving signal; when the set time is up, the timing circuit sends a turn-off signal to the control circuit, and the control circuit turns off the heating circuit according to