If a newborn is drowsy, does not eat milk, does not cry, is a sign of critical condition, and the condition is variable, it is recommended to consult a hospital immediately to find the cause and treat the symptoms. The more common cause of neonatal lethargy not to eat milk is infection, including pneumonia, sepsis, central nervous system infections, etc. may cause neonatal lethargy not to eat milk, and then pay attention to whether there are other neurological diseases such as intracranial hemorrhage, cardiovascular system, such as complex congenital heart disease, rare, such as metabolic diseases may cause neonatal lethargy not to eat milk, doctors will generally combine the baby’s performance and The doctor will generally combine the baby’s performance and auxiliary examination results to find the cause and targeted treatment. 1, if the baby is combined with cyanosis, first of all, give the baby to take continuous low-flow oxygen, ensure the airway is open, correct hypoxemia. Monitor the vital signs at the same time. 2, immediately open intravenous access, according to the cause of drug treatment, while ensuring the baby’s daily fluid needs and nutritional needs. 3.If it is caused by infection, we must control the infection and use antibiotics, and we must strengthen the skin care, including the oral cavity and umbilical cord care. Actively find the cause, while taking the appropriate symptomatic treatment methods. If the condition is more serious, lasts for a long time, the late emergence of complications, but also to take rehabilitation physiotherapy and other comprehensive treatment.