The present invention addresses the problem of providing a novel anti-CD147 antibody having exceptional anti-tumor activity and exceptional safety. The present invention also addresses the problem of providing a medicine containing such an antibody. The present invention also addresses the problem of providing, inter alia, a method for treating tumors in which the antibody or medicine is used. The present invention provides a CD147-specific antibody that activates CD147 and demonstrates a strong anti-tumor effect. The present invention provides an anti-CD147 antibody that demonstrates a strong anti-tumor effect independent of effector function. The present invention provides a pharmaceutical composition that contains such an anti-CD147 antibody. The present invention provides a method for treating tumors in which such an anti-CD147 antibody and/or pharmaceutical composition is used.
