The present invention relates to an antibody against neuropilin 1 (NRP1) or an antigen-binding fragment thereof, a nucleic acid encoding the same, a vector comprising the nucleic acid, cells 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 of the antibody-drug conjugate for preventing or treating cancers.
