An 8-year-old child with a fever of 37.8 degrees belongs to a low fever, if there is no special discomfort symptoms, you should first observe the treatment, you can relieve the symptoms of fever by drinking more water and physical therapy. 1. Drink more water: Parents can give their children more warm boiled water to replenish the loss of water in the child’s body, promote metabolism, increase urination, and help the child to disseminate heat to alleviate the symptoms of fever. 2. Physical therapy: you can use warm towels to gently wipe the child’s limbs, armpits and other parts of the body, you can also use antipyretic patches on the child’s forehead to help the child cool down. 3. Others: Children with a fever of 38.5°C or less generally do not need to use antipyretic drugs to treat. Parents should pay attention to the child during the fever to let the child moderate rest, regular temperature testing, but also should give the child to supplement balanced nutrition, light diet, eat a moderate amount of fresh fruits and vegetables and other foods. If your child’s fever is accompanied by cough, phlegm, diarrhea and other symptoms, it is recommended to go to the hospital to clarify the cause of the illness and take appropriate treatment according to the doctor’s advice.