Fever in one year and eight months old babies is commonly associated with acute upper respiratory tract infections, which are commonly treated with oral medications such as ibuprofen, antibiotics, and antiviral drugs. Acute upper respiratory tract infection is one of the most common pediatric diseases, mostly caused by rhinovirus, adenovirus, coronavirus, and hemolytic streptococcus and other infections, the clinical manifestations of fever, nasal congestion, runny nose and so on. For acute upper respiratory tract infections, commonly used medications include symptomatic treatment medications such as ibuprofen, acetaminophen, etc.; for concomitant bacterial infections, oral antibiotics such as penicillin, cefoperazone, and roxithromycin can be given; for simple viral infections, ribavirin or oseltamivir can also be used under the guidance of a physician for treatment. If the baby has a fever, it is recommended to go to the pediatric internal medicine department as soon as possible, under the guidance of the doctor standardized treatment, to ensure a good prognosis of the disease. All of the above medications should be used under the guidance of a doctor, avoid self-medication to avoid adverse effects.