The treatment of tumors with Baizian Tirilizumab Injection can effectively stabilize the condition and prolong the survival period, while the disadvantages may include adverse reactions such as cough and fever. This drug belongs to humanized IgG4 anti-PD-1 monoclonal antibody, which is a kind of immunotherapy drug. The PD1 antibody contained in this drug can activate the immunity of human body and remove the cancer cells in the body through the body’s own immunity, so as to achieve the effect of anticancer, which can effectively stabilize the condition of the patient, slow down the progression of the disease, and prolong the survival period of the patient. However, the use of the drug may also affect the body, such as fever, cough, lung inflammation, hypothyroidism and other adverse reactions, which need to be guided by a professional doctor and well observed at the same time.