Pneumonia in the elderly with high fever may need to clarify the cause of the disease, general treatment, drug treatment, symptomatic treatment, and management of complications. 1. Identify the cause of the disease: for example, sputum culture, blood culture and other pathogenetic tests are needed to identify the causative organisms of the infection and guide the treatment; sputum specimens may also be needed to check for Mycobacterium tuberculosis to detect specific infections such as tuberculosis. 2. General treatment: usually need to drink more water, but also need to eat a light diet, eat some fruits, such as apples, pears and so on. 3. Drug therapy: usually need to adjust antibiotics, such as the pathogen of the infection is not yet clear, can be empirically adjusted antibiotics; if the pathogen of the infection has been clearly defined, can be applied to combine with the results of drug sensitivity test to adjust antibiotics; such as tuberculosis and other special infections also need to be targeted treatment, such as the use of rifampicin, isoniazid and other anti-tuberculosis drugs, the use of influenza virus-induced viral pneumonia, the use of oseltamivir antiviral, fungal infections, voriconazole and other medications. Voriconazole is also used for fungal infections. 4. Symptomatic treatment: For example, it may be necessary to use ice packs to lower the temperature and other physical cooling measures, may also need to use acetaminophen and other antipyretic drugs. 5. Treatment of complications: for example, if the patient is suffering from pus chest, chest tube drainage may be needed; if sputum is not easy to cough out, bronchoscopy may be needed to remove sputum from the airway. Elderly people with pneumonia fever does not go down, but also need to pay attention to the investigation of whether there is a combination of rheumatism and immunity, blood and other systemic diseases may be, it is recommended to consult a doctor in a timely manner, improve the aetiology culture, blood, calcitoninogen, lung CT and other laboratory tests, to clarify the cause and assess the condition, under the guidance of the doctor to standardize the treatment.