The invention provides an ear back pit pickup mode and belongs to the field of electronic products. For conventional earphone products, a conversation process can be easily influenced by environment factors such as background noise and blowing wind, and the conversation quality cannot be ensured. Although some noise reduction measures are taken, the effect is unsatisfied due to the limitation of a noise reduction program and conventional structure problems. The invention provides a new pickup position, and the new pickup mode is derivative. Based on a physical mode, the noise shielding problem of existing earphone products is simply and effectively solved.