Causes of newborns always crying, mainly including the following situations: 1, the child’s stomach pain, because some newborns gastrointestinal dysfunction is relatively disorganized, there will be paroxysmal intestinal spasms. After the child’s intestinal spasm will pull the intestinal nerves, thus causing paroxysmal abdominal pain, the child then appeared always crying. In this case, parents can give the child to take small Peifikang and other probiotics, the child’s gastrointestinal dysfunction adjustment, always crying will disappear; 2, vitamin D deficiency rickets, if the child suffers from vitamin D deficiency rickets, it will be manifested as occipital baldness, sleep sweating more, and even chicken chest, rib beads, etc., and the child often appears to be crying, especially at night, crying more frequently. Inside, the crying is more frequent.