An pop noise eliminating circuit includes a power source, a grounding terminal, a speaker, an audio amplifier that has two opposite ends respectively connected with the power source and the first end of the speaker, a delay unit that has one end electrically connected with the power source, a first power control switch that has a control end electrically connected with the delay unit, a first conduction end electrically connected with the other end of the speaker, and a second power control switch that has a control end electrically connected with the delay unit, a first conduction end electrically connected with the grounding terminal, and a second conduction end electrically connected with a second conduction end of the first power control switch.