The present disclosure relates to an antibody binding to Neuropilin 1 (NRP1) or an antigen-binding fragment thereof, a nucleic acid encoding the same, a vector comprising the nucleic acid, a cell transformed with the vector, a method for preparing the antibody or the antigen-binding fragment thereof, an antibody-drug conjugate comprising the antibody or the antigen-binding fragment thereof, and a composition thereof for preventing or treating a cancer.