Inflammation of lungs caused by liver cancer is generally more serious and patients need timely intervention for treatment. Liver cancer patients may kill normal cells when receiving anti-tumor treatment, which will lead to the decrease of immunity of human body, which will be more easily infected by germs, and the degree of condition after infection will be more serious compared with normal people, therefore, the symptoms of liver cancer patients tend to be more serious after being infected with pneumonia. In addition, cancer cells will consume the energy of human body to proliferate a lot, and lymphocytes are unable to eliminate them. After lung infection and inflammation of liver cancer patients, symptomatic treatment is often necessary, which can be carried out through antibacterial and antiviral drugs according to doctor’s prescription, such as moxifloxacin and amoxicillin clavulanate potassium. Liver cancer patients should go to the hospital for consultation and active treatment in time after the symptoms of pneumonia appear, so as to avoid delaying the condition.