Not all patients with bronchopneumonia can have fever symptoms, if the area of infection is large, fever can occur, if active treatment is carried out, the fever time is short, if the patient has fever for a long time, it suggests that the drug is ineffective. After the patient is hospitalized, if there are still fever symptoms after 2-3 days of infusion treatment, it is necessary to consider whether the antibiotics have covered the infecting bacteria of pneumonia, and can be treated by adjusting the antibiotics. If the fever is still present after a period of treatment, it is also necessary to consider whether it is bronchopneumonia or other special infections, such as tuberculosis, tumors, etc. If the diagnosis is tuberculosis, tumors, etc., it is necessary to target tuberculosis, tumors and other active treatment.