A sound absorption component and a loudspeaker module having the sound absorption component comprises a hauling shell and sound absorbing particles that are packaged within the hauling shell, wherein the hauling shell is provided with an opening, the opening of the hauling shell is provided with an opening sealing member for sealing the sound absorbing particles, the material of the hauling shell is sound absorbing cotton, and the sound absorbing particles are formed by granulation of porous material raw powder; and the shape of the sound absorption component matches with the shape of the space to be filled by the sound absorption component. The sound absorption component and the loudspeaker module having the sound absorption component sufficiently utilizes the space of the rear vocal cavity of the module, and sufficiently utilizes the sound absorption performance of the filling sound absorbing particles, and the product has good acoustic performance.