Children crying like crazy in the middle of the night is common in the following situations: First, pay attention to whether the environmental temperature is too high or too low, whether there is thirst, hunger or wet diapers. Second, pathological crying. Such as the baby during the day whether there is a fall, thus appearing fracture or intracranial hemorrhage, etc., more at the same time accompanied by irritability, vomiting or limitation of limb movement, etc., such as the above manifestations, to the hospital in a timely manner to seek medical attention. Gastrointestinal disorders: symptoms such as vomiting, abdominal distension, abdominal pain, etc. are often accompanied by crying, attention should be paid to intussusception, intestinal spasm or hiatal hernia, etc., and prompt medical attention should be sought. Also pay attention to whether there is any foreign body in the eyes, nasal cavity or vagina, and pay attention to observation.