The duration of recurrent fever in children depends on the cause of the fever. If the fever is caused by a viral infection, it is usually self-limiting and lasts about 1-2 weeks. If the fever is caused by a common cold, it usually gets better in 3-5 days. Once the child is found to have recurrent fever, the following treatment can be given according to its condition: 1. If the baby’s fever is below 38.5℃, parents can take physical cooling methods, such as wiping the body with warm water, using a towel dipped in warm water, the temperature of which does not feel hot, and wiping in the neck, armpits, and thigh roots for 5-10 minutes. In addition, you can also use commercially available antipyretic patches or home ice packs on the forehead to dissipate heat and cool down; 2. If your baby has a fever of more than 38.5 ℃, you can take antipyretic medication under the guidance of a doctor. Such as feeding antipyretics Merlin, ibuprofen, etc., a minimum of 4 hours once, 24 hours may not exceed 4 times. In addition to the above treatment, we should pay attention to avoid going to crowded places as much as possible, open windows more often for ventilation, and pay attention to keeping warm at the same time. Next, drink more water, eat a light, easy-to-digest diet, and eat less and more meals. In addition, it is also necessary to take appropriate outdoor exercise to strengthen the resistance. If you have respiratory tract infection, you should have a face-to-face examination in time, and according to the blood routine, lung auscultation and other conditions, follow the doctor’s prescription to choose anti-inflammatory and anti-viral drugs for treatment.