The invention discloses a monoclonal antibody against human non-small cell lung carcinoma and a use of the monoclonal antibody. The monoclonal antibody is secreted by a hybridoma cell strain which is deposited as CCTCC Access Number No.: C201172. It has high yield and high titer, and has specific reactivity against lung adenocarcinoma and squamous carcinoma cell lines. Therefore, the monoclonal antibody may be applied in preparing drugs for treating human non-small cell lung carcinoma.
