The invention relates to the technical field of circuits, and discloses an anti-radio-frequency-interference circuit used in an electronic detonator. The anti-radio-frequency-interference circuit usedin the electronic detonator comprises a direct-current voltage line V+1, a direct-current voltage line V-1, a transient-suppression diode D1, a resistor R1, a high-speed switch diode D2, an RFI filter L2 and an LC filter circuit, wherein one end of the transient-suppression diode D1 is connected with the direct-current voltage line V+1, and the other end of the transient-suppression diode D1 is connected with the direct-current voltage line V-1; and one end of the resistor R1 is connected to the direct-current voltage line V+1, the high-speed switch diode D2 is provided with six pins (pin 1,pin 2, pin 3, pin 4, pin 5 and pin 6), the other end of the resistor R1 is connected to the pin 6 of the high-speed switch diode, the pin 1 and the pin 4 of the high-speed switch diode are grounded, the pin 3 of the high-speed switch diode is connected to the direct-current voltage line V-1, the pin 2 and the pin 5 of the high-speed switch diode are connected with the input end of the RFI filter L2, and the output end of the RFI filter L2 is connected with the LC filter circuit. The anti-radio-frequency-interference capacity of thein electronic detonator is greatly improved.