Most colds and fevers in 8-year-old children are caused by a sudden turn to cold and irritation from cold. It may also be accompanied by nasal congestion, runny nose, cough, phlegm, dizziness and weakness. Amoxicillin clavulanate potassium granules can be given to the child for bacterial inflammation. If there are also symptoms of cough and phlegm, you can give your child Amoxicillin Oral Liquid to dissolve phlegm. If the child’s temperature is higher than 38.5℃ or more, you can use ibuprofen to reduce heat treatment. During the period of fever, you should pay attention to rest at home as much as possible and do not go to outdoor activities. You also need to pay attention to appropriate clothing, do not dress your child too warm and thick, so as not to affect heat dissipation. Drink plenty of warm water, and eat a lot of thin rice, vegetables and fruits. Eat less meat, greasy food and fried food to avoid increasing the burden on the body and affecting recovery.