Disclosed herein is a method for diagnosing Alzheimer's disease capable of minimizing invasiveness to reduce the risk of infection. The method for diagnosing Alzheimer's disease includes the steps of: pretreating an intranasal specimen; detecting tau protein or amyloid beta peptide (A²) in the pretreated intranasal specimen; comparing a value of the tau protein or the A² obtained in the detection step with a predetermined value; and displaying a comparison result obtained in the comparison step.
DIAGNOSIS METHOD AND DIAGNOSIS SYSTEM FOR ALZHEIMER'S DISEASE