Newborn babies always cry at night, mainly due to the following two conditions: 1, caused by hunger, the mother often in the first few days of breast milk production is not enough, the baby can not eat, so there will be hunger caused by crying. In this case, you can let the baby suck the nipple more, so as to stimulate the secretion of milk, or feed infant formula; 2, caused by gastrointestinal pain, the newborn baby gastrointestinal peristalsis faster, some will also appear constipation. For this phenomenon parents can give infants probiotic feeding, such as the application of small Pepcid, etc., the gastrointestinal tract comfortable after the night always crying situation will naturally disappear slowly, so parents should be dynamic analysis of the causes according to the accompanying symptoms.