Disclosed is a camera module, the module including an IR filter for filtering infrared rays, an image sensor located under the IR filter to convert an incident optic image into an electric signal, a first PCB having a window to permit passage of the optic image and a cavity extending downwards from the window to accommodate the image sensor, a predetermined portion of an upper portion of the cavity being electrically connected to a predetermined portion of an upper surface of the image sensor, and a first through hole taking a shape of a pipe that is connected at one end thereof to the window and connected at the other end to the cavity, the first through hole serving as a path for discharging air between the IR filter and the image sensor.