When a 9-month-old baby has a fever, the first thing you need to do is to take the temperature, and promptly give symptomatic treatment to reduce the fever, and at the same time clarify the cause of the fever and further give etiological treatment. If the baby’s temperature is below 38.5 degrees Celsius, the baby should be given physical cooling, including fever patches, warm water wipes, drinking more water, etc. The parts to be wiped with warm water include the baby’s head, armpits, groin, etc. If the baby’s temperature is above 38.5 degrees Celsius, the baby needs to be given antipyretic drugs or fever suppositories to reduce heat treatment, including ibuprofen or acetaminophen, which can be fed once at an interval of 4-6 hours. The fever can be fed once every 4-6 hours. Note that if your child’s hands and feet are cold when he or she has a fever, the temperature may continue to rise and you need to urgently reduce the fever and seek immediate medical attention. In addition to clarify the cause of the child’s fever, fever is generally related to infectious factors, most of which are caused by viral or bacterial infection after a cold, if the baby also has a stuffy nose, runny nose, etc., is generally caused by viral infection, you can give your baby a little bit of anti-viral drugs such as pediatric black clove granules symptomatic treatment. Therefore, when a baby has a fever, the first thing to do is to reduce heat treatment. If the child has a fever that lasts more than 39 degrees high, poor spirit, vomiting, convulsions and other abnormalities, go to the pediatric clinic of the hospital for further treatment.