The baby always crying recently may be caused by hypocalcemia, cold, indigestion and other factors. 1. Hypocalcemia: the growth and development of the baby is relatively fast, easy to have hypocalcemia, which causes always crying, convulsions, night terrors and other symptoms. 2. Colds: Babies can cry all the time when they have colds, and they may also have coughs, runny nose, fever and other symptoms. 3. indigestion: baby always crying recently may also be indigestion, the child will also have hiccups, spit up, diarrhea and other symptoms. The baby is always crying, there may be other reasons, it is recommended to go to the hospital, complete the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.