An antibody specifically reacting with human TfR, which is selected from the following,,, and: an antibody, in which the heavy chain first complementarity determining region (VH CDR1), the heavy chain second complementarity determining region (VH CDR2), and the heavy chain third complementarity determining region (VH CDR3) correspond to SEQ ID NOs: 1, 2, and 7, respectively, and the light chain first complementarity determining region (VL CDR1), the light chain second complementarity determining region (VL CDR2), and the light chain third complementarity determining region (VL CDR3) correspond to SEQ ID NOs: 4, 5, and 6, respectively; an antibody, in which the heavy chain first complementarity determining region (VH CDR1), the heavy chain second complementarity determining region (VH CDR2), and the heavy chain third complementarity determining region (VH CDR3) correspond to SEQ ID NOs: 1, 2, and 9, respectively, and the light chain first complementarity determining region (VL CDR1), the light chain second complementarity determining region (VL CDR2), and the light chain third complementarity determining region (VL CDR3) correspond to SEQ ID NOs: 4, 5, and 6, respectively; an antibody, in which the heavy chain first complementarity determining region (VH CDR1), the heavy chain second complementarity determining region (VH CDR2), and the heavy chain third complementarity determining region (VH CDR3) correspond to SEQ ID NOs: 1, 2, and 10, respectively, and the light chain first complementarity determining region (VL CDR1), the light chain second complementarity determining region (VL CDR2), and the light chain third complementarity determining region (VL CDR3) correspond to SEQ ID NOs: 4, 5, and 6, respectively; an antibody, in which the heavy chain first complementarity determining region (VH CDR1), the heavy chain second complementarity determining region (VH CDR2), and the heavy chain third complementarity determining region (VH CDR3) correspond to SEQ ID NOs: 1, 53, 3, respectively, and the light chain first complementarity determining region (VL CDR1), the light chain second complementarity determining region (VL CDR2), and the light chain third complementarity determining region (VL CDR3) correspond to SEQ ID NOs: 4, 5, and 6, respectively; and an antibody, in which the heavy chain first complementarity determining region (VH CDR1), the heavy chain second complementarity determining region (VH CDR2), and the heavy chain third complementarity determining region (VH CDR3) correspond to SEQ ID NOs: 1, 54, 3, respectively, and the light chain first complementarity determining region (VL CDR1), the light chain second complementarity determining region (VL CDR2), and the light chain third complementarity determining region (VL CDR3) correspond to SEQ ID NOs: 4, 5, and 6, respectively. an antibody, in which the heavy chain first complementarity determining region (VH CDR1), the heavy chain second complementarity determining region (VH CDR2), and the heavy chain third complementarity determining region (VH CDR3) correspond to SEQ ID NOs: 1, 2, and 7, respectively, and the light chain first complementarity determining region (VL CDR1), the light chain second complementarity determining region (VL CDR2), and the light chain third complementarity determining region (VL CDR3) correspond to SEQ ID NOs: 4, 5, and 6, respectively; an antibody, in which the heavy chain first complementarity determining region (VH CDR1), the heavy chain second complementarity determining region (VH CDR2), and the heavy chain third complementarity determining region (VH CDR3) correspond to SEQ ID NOs: 1, 2, and 9, respectively, and the light chain first complementarity determining region (VL CDR1), the light chain second complementarity determining region (VL CDR2), and the light chain third complementarity determining region (VL CDR3) correspond to SEQ ID NOs: 4, 5, and 6, respectively; an antibody, in which the heavy chain first complementarity determining region (VH CDR1), the heavy chain second complementarity determining region (VH CDR2), and the heavy chain third complementarity determining region (VH CDR3) correspond to SEQ ID NOs: 1, 2, and 10, respectively, and the light chain first complementarity determining region (VL CDR1), the light chain second complementarity determining region (VL CDR2), and the light chain third complementarity determining region (VL CDR3) correspond to SEQ ID NOs: 4, 5, and 6, respectively; an antibody, in which the heavy chain first complementarity determining region (VH CDR1), the heavy chain second complementarity determining region (VH CDR2), and the heavy chain third complementarity determining region (VH CDR3) correspond to SEQ ID NOs: 1, 53, 3, respectively, and the light chain first complementarity determining region (VL CDR1), the light chain second complementarity determining region (VL CDR2), and the light chain third complementarity determining region (VL CDR3) correspond to SEQ ID NOs: 4, 5, and 6, respectively; and an antibody, in which the heavy chain first complementarity determining region (VH CDR1), the heavy chain second complementarity determining region (VH CDR2), and the heavy chain third complementarity determining region (VH CDR3) correspond to SEQ ID NOs: 1, 54, 3, respectively, and the light chain first complementarity determining region (VL CDR1), the light chain second complementarity determining region (VL CDR2), and the light chain third complementarity determining region (VL CDR3) correspond to SEQ ID NOs: 4, 5, and 6, respectively.