The invention relates to bispecific antibodies comprising a first antigen binding domain that specifically binds to PD1 and a second antigen binding domain that specifically binds to LAG3. The invention further relates to methods of producing these molecules and to methods of using the same.本發明係關於包含特異性結合至PD1之第一抗原結合結構域及特異性結合至LAG3之第二抗原結合結構域的雙特異性抗體。本發明亦係關於此等分子之製備方法及其使用方法。