2 year old baby crying at night

The baby suddenly cry at night, it is recommended to clarify the physiological reasons, whether because of cold, hunger, shock and cry. Parents in the left and right to accompany comfort, appropriate adjustment of room temperature, increase or decrease clothing. When excluding physiological reasons, should consider pathological reasons, it is best to send to hospital for treatment. In addition, the baby in calcium deficiency is also prone to wake up crying symptoms at night, should check trace elements in time, symptomatic supplement.