The present invention relates to the technical field of antibody drugs, and in particular, to a humanized anti-Aβ monoclonal antibody and use thereof. The humanized anti-Aβ monoclonal antibody provided in the present invention can inhibit polymerization of Aβ monomer, can promote the phagocytosis of macrophages to Aβ, can protect neural cells from Aβ toxicity, and can be used for treating and diagnosing diseases and conditions related to amyloidosis, such as Alzheimer's disease.
HUMANIZED ANTI-Abeta MONOCLONAL ANTIBODY AND USE THEREOF