Neonatal colic means that the baby will suddenly appear loud crying, can last for several hours, can also be manifested as paroxysms, crying more than three days per week, lasting more than three weeks is diagnosed neonatal colic. Neonatal colic usually occurs around the time of the baby’s first month, in this period the baby’s growth rate is particularly fast, weight growth is also particularly fast, the entire intestine also grows quickly, in the process of intestinal growth, intestinal peristalsis may be irregular, the gas in the intestinal peristalsis irregular, then there may be blocked in the intestine somewhere, when the gas can not pass through, there will be abdominal pain. So colic is actually a physiological phenomenon, as the baby grows up, gastrointestinal function slowly developed and perfect, colic can be relieved on its own. When children find colic, most of them occur at night, the first is the performance of violent crying, parents how to coax the child cries more than, at the same time ruled out the baby night hunger, the baby is not cold, being pressed, touched these, the baby cries when the face pale, swollen stomach, the end of the limbs cold, some children can have thin stools, poor digestive performance. When the child cries, we hold the baby upright or airplane hold, can have different degrees of relief. Usually do more exhaust exercises, can also relieve colic. Neonatal colic is a temporary physiological phenomenon. Usually after three or four months of the child can be self-healing.