Recaticimab (SHR-1209) is an orally active humanized monoclonal IgG1 antibody targeting PCSK9. Recaticimab binds PCSK9 with high affinity, increases the level of low density lipoprotein receptor on the surface of liver cells, and decreases the level of low density lipoprotein cholesterol in plasma. Recaticimab can be used in the study of hypercholesterolemia and hyperlipidemia.