 Actually, no consensus exists to investigate hearing loss in people with Alzheimers disease; therefore hearing loss may be an early manifestation of Alzheimers disease. Until now, investigations and clinical procedure related to the diagnosis of Alzheimers disease ignored the hearing ability of the patient. However, the major part of care management and investigations implies the patients communication ability with caregivers. Hearing loss may be one of the most unrecognized deficit in subjects with Alzheimers disease. Auditory rehabilitation with hearing aids could benefit to the patient to decrease cognitive decline but this management must be investigate during longitudinal studies in order to demonstrate their efficiency and need to be compared with a placebo. 