Lung infection after craniotomy is serious, in this case must take various treatment measures, is a comprehensive process, generally speaking, are carried out step by step.1, sputum bacterial culture and drug sensitization test, so as to be able to select the most sensitive antibiotics for the corresponding treatment, otherwise the application of large doses of broad-spectrum antibiotics can easily cause bacterial imbalance, exacerbate the infection of the lungs.2, Shock sputum expulsion, nebulized sputum aspiration, use all measures to expel sputum from the lungs, if the patient’s condition permits, try to let him or her move down to the ground, or two people to help, or take the prone position, use the gravity of the body to drain, sputum as much as possible, and turn over and pat his or her back every two hours, these measures are very conducive to the treatment of lung infections. 3, the application of the bronchoscope for deep sputum aspiration, if the patient is If the patient is unconscious and has no voluntary ability, this time the bronchoscope will be taken to enter into the lungs directly to suction out the sputum, which is also a very good way of treatment, and the respirator needs to be applied to assist respiration if necessary.