Widening of the ventricles of the brain in a newborn baby is usually normal if no other symptoms are present. The growth and development of the fetus in the mother’s body are affected by certain external factors, such as lack of oxygen in the womb or poor development, etc. Such problems may lead to delayed brain development or structural abnormality of the brain, which may result in widening of the ventricles. In the absence of other symptoms, this is normal and does not require special treatment, but only dynamic observation. For ventricular widening, it is best to monitor the brain function monitor dynamically to further assess the baby’s neurological condition according to the monitoring results. At the same time, observe whether the baby has crying, irritability, vomiting and other signs of intracranial hypertension. It is also necessary to frequently measure the head circumference and touch the size of the fontanel. It is worth noting that if the symptoms of ventricular widening in newborns are more serious or accompanied by other problems, such as significant decline in intelligence, etc., they should go to the hospital in time for a detailed examination of signs and symptoms, and intervene in the treatment according to the results and the doctor’s guidance.