Alzheimer's disease related protein reagent

The invention discloses an Alzheimer's disease related protein reagent, and relates to the field of protein reagents, the Alzheimer's disease related protein reagent comprises antibodies for detecting Abeta42 and tau protein in plasma and central nervous system liquid, and a preparation method of the antibodies comprises the following steps: S101, preparing the corresponding antibodies by using an immunological technology; s102, obtaining an antigen with strong specificity; s103, preparing a monoclonal antibody; and S104, carrying out purification and titer detection on the monoclonal antibody to prepare the antibody with strong specificity and good stability. According to the present invention, the AD blood rapid quantitative detection technology and the AD ultra-early detection technology are established, the AD diagnosis reagent is provided, the detection time is shortened or the detection accuracy is improved, the detailed AD patient detection guide is formulated, and the early prevention is provided for