A baby crying at night may be due to physiological reasons, calcium deficiency, indigestion, etc., and can be treated through general treatment and medication. 1. Physiological reasons: the baby crying at night may be due to hunger, indoor temperature is too high, too low, etc. Parents can feed the baby, and at the same time to ensure that the room temperature is appropriate, to avoid overheating or too cold, can effectively improve the baby crying more than the situation. 2. Calcium deficiency: baby calcium deficiency can also cause more than crying at night, parents should take the baby to the hospital for trace element testing, under the guidance of the doctor in a timely manner to supplement calcium, can effectively alleviate this symptom. 3. indigestion: babies eat too much too fast before going to bed, may cause indigestion, so that the baby appeared to cry more than at night. Parents should try to avoid the baby eating too much before going to bed at night, you can rub the baby’s abdomen clockwise, if necessary, under the guidance of a doctor, the use of probiotics (such as bacillus subtilis bacillus granules) and other drugs for treatment. Baby crying at night how to coax can not, may also be due to organic lesions, such as intestinal obstruction. If this situation exists for a long time, you should go to the hospital for examination.