Provided in the present invention are an anti-5T4 antibody-drug conjugate and the use thereof. In particular, provided in the present invention is an anti-5T4 antibody-drug conjugate. Also provided in the present invention are the pharmaceutical use of the anti-5T4 antibody-drug conjugate and the effect thereof in inhibiting or preventing tumors.
                            本发明提供了一种抗 5T4 
抗体-药物共轭物及其用途。特别是,本发明提供了一种抗 5T4 
抗体-药物共轭物。本发明还提供了抗 5T4 
抗体-药物共轭物的药物用途及其在抑制或预防肿瘤方面的效果。