Provided is a sound pick-up device which includes: a housing having a sound hole; a main microphone which is disposed in the inside of the housing, receives sound pressure from the outside of the housing through the sound hole, and generates a first sound signal; a reference microphone which is disposed in the inside of the housing and in a proximity of the main microphone and generates a second sound signal; a first shield which blocks between the inside of the housing and the inside of the main microphone; a second shield which blocks between the outside of the housing and the inside of the reference microphone; and a third shield which blocks between the inside of the housing and the inside of the reference microphone.