Infant fever 38.4 ℃ is generally not serious, parents are advised to lower the temperature of the patient in a timely manner, you can take physical cooling, the main measures include warm water baths, indoor ventilation, add clothing and other ways. If the fever persists or is accompanied by mental depression, it may be more serious, and it is recommended to seek medical treatment in time. Infant fever 38.4 degrees, generally not serious, if the child’s mental state is good, does not affect the diet and sleep, etc., can be taken to physical cooling, such as warm water to wipe the body, can help the child to achieve the purpose of lowering the temperature, in addition to drinking more water, keep indoor ventilation, add clothing and so on. However, if the fever persists 38.4 degrees, or accompanied by obvious discomfort, such as depression, lethargy or coughing, vomiting, diarrhea, etc., may be more serious, need to consult a doctor in a timely manner, to clarify the cause of the fever, give targeted treatment. When an infant has a fever of 38.4 degrees, parents should monitor the child’s temperature and bring the child to the doctor in time for professional and standardized treatment.