Lung abscess is usually hospitalized for about 8 to 10 weeks, but there can be individual differences depending on the severity of the disease, treatment plan, timing of treatment, personal constitution and other factors. Lung abscess is a pus cavity formed by necrosis of lung tissues, characterized by high fever, chills, cough, chest pain and coughing up a large amount of purulent sputum; the pathogens can be septic bacteria, fungi and parasites, etc., and the disease is more common in men than in women. If not treated in time, some complications such as pneumothorax and bronchopleural fistula can occur. The treatment of lung abscess is mainly using antibiotics, the choice of antibiotics should be based on the drug sensitivity test selection of sensitive antibiotics; at the same time, appropriate drainage of pus; if necessary, surgery can be selected for treatment. The general hospitalization takes about 8~10 weeks, but there may be individual differences depending on the severity of the disease, treatment plan, timing of treatment, and individual physical condition. If symptoms related to lung abscess occur, it is recommended to consult a doctor in time to avoid delaying the condition.