Elderly people have trouble speaking after fever for the treatment of the cause, infectious factors given anti-infective, antipyretic and symptomatic treatment, for example, by ceftriaxone, acetaminophen and so on. Cerebral infarction super-acute stage given by reteplase and other thrombolytic therapy, not suitable for thrombolytic therapy of aspirin, atorvastatin and other drugs secondary prevention. 1. Infection: the elderly fever after the poor speech is considered to be caused by infectious factors. Bacterial infection of the use of ceftriaxone, cefoperazone and other drugs anti-infective treatment. Temperature over 38.5 degrees, the use of lysergic acid, acetaminophen and other drugs antipyretic treatment; viral infections are mainly symptomatic treatment, the use of ibuprofen, acetaminophen and other non-steroidal anti-inflammatory drugs antipyretic treatment and physical hypothermia and so on. 2. Cerebral infarction: when acute cerebral infarction occurs in the thalamus, it may lead to centralized hyperthermia, and in the hyperacute stage of the disease, thrombolytic therapy should be given with drugs such as reteplase and alteplase. Those who are not suitable for thrombolytic therapy can take oral aspirin, clopidogrel, atorvastatin, resuvastatin and other drugs for secondary prevention as prescribed by the doctor. Elderly people with fever should immediately go to the hospital, complete the relevant examinations, and be targeted after the cause of the disease is clear.