Pneumonia after discharge from the hospital and then have a cold, need to timely relevant treatment. During the recovery period, the immunity and resistance of patients with pneumonia are relatively poor, so if you don’t pay attention to rest or keep warm, you will be easily attacked by pathogenic bacteria again. It is recommended to go to the hospital in time, explain the situation to the doctor and determine the pathogen through examination and other means, and choose antibiotics or antiviral treatment. In addition, should also actively improve the lifestyle, in order to improve the body’s immunity, can be more effective in preventing the reoccurrence of illness, you can pay attention to the following aspects: 1. Do not stay up all night, and ensure sufficient rest time; 2. Eat a light diet and avoid overly stimulating and spicy foods; 3. moderate exercise when the physical condition permits.