How long it takes for a patient to return to normal after discharge from the hospital with pneumonia cannot be generalized and is related to the pathogenic bacteria of pneumonia as well as the patient’s physical condition. Patients who have pneumonia will experience high fever, chills, cough, sputum, chest pain, and difficulty breathing, and will require hospitalization. For patients with common pneumonia, the course of the disease is usually about 7-10 days. Patients can be discharged from the hospital after 5-7 days of regular anti-infection treatment and can return to normal 2-3 days after discharge. In the case of pneumonia caused by specific pathogens, such as Staphylococcus aureus, Klebsiella, Pseudomonas aeruginosa, etc., if the patient is older, he or she is usually hospitalized for about 2-4 weeks and needs to be treated with sensitive anti-inflammatory medications, and it takes 1 week to fully recover after discharge. Patients with pneumonia need to strengthen their physical fitness with appropriate exercise after discharge, pay attention to keeping warm and avoiding wind and cold. In the diet should pay attention to light, less spicy, greasy food, can eat more fresh vegetables and fruits.