Cephalosporin is cephalosporin antibacterial drugs, cephalosporin antibacterial drugs have no anti-cancer effect on lung cancer. Cephalosporins can affect the synthesis of bacterial cell wall, mainly play the role of sterilization, and can treat bacterial infections. Lung cancer is not a bacterial infectious disease, it is the infinite expansion of lung cancer cells that leads to the gradual enlargement and metastasis of tumor, which manifests cough, hemoptysis, chest pain and other discomforts. Simply using cephalosporin antibacterial drugs has no therapeutic effect on lung cancer. The treatment of lung cancer needs to be comprehensive according to the patient’s pathological type, clinical stage, physical condition and other factors. Lung cancer can be treated by surgery to remove the lesion and with radiotherapy and chemotherapy. Surgical methods for lung cancer include open thoracotomy and thoracoscopic surgery, and commonly used drugs include erlotinib, gefitinib and so on. Those who are diagnosed with lung cancer should go to hospital in time and actively cooperate with doctors for treatment to avoid adverse effects.