For the lung infection caused by traumatic brain injury, we should use strong antibiotics for anti-infection treatment, can carry out sputum culture plus drug sensitivity test, observe which kind of bacteria cause lung infection, this kind of bacteria is sensitive to which kind of antibiotics, targeted application of sensitive antibiotics for anti-infection treatment, and at the same time, ask the patient to strengthen the coughing, coughing up sputum, turn over and pat on the back, which is conducive to the expulsion of sputum. If the traumatic brain injury patients combined with coma, unable to cough, cough sputum, can be performed tracheotomy, tracheotomy for sputum suction and sputum discharge are good, is conducive to the lungs of sputum to be timely discharged, on the control of lung infections is very good.