If your baby doesn’t eat milk and cries all the time, it may be due to colic, or it may be due to improper feeding, or a foreign body in the nasal cavity. 1. colic: if the baby does not appear abnormal during the day, the night does not eat milk has been crying, may be due to colic. The reason is that the peristaltic nerves of the intestinal wall are still immature, and indigestion causes abdominal distension. 2. improper feeding: if the feeding position is not correct, in the way of drinking milk, the baby inhaled too much air, will lead to stomach distension and discomfort, may be manifested in the baby does not eat milk has been crying. 3. foreign body in the nasal cavity: if the baby does not eat milk has been crying, accompanied by open mouth breathing, may be due to the presence of a foreign body in the nasal cavity blocked, resulting in the baby can not breathe normally, which manifests itself as a cry, resistance to food. If the baby does not eat milk has been crying, it is recommended to closely observe, abnormalities in time to seek medical attention, follow the doctor’s instructions for symptomatic intervention.