Two months baby middle of the night milk less than the daytime may be a day enough milk, physiological anorexia period, indigestion, micronutrient deficiencies and other causes, through observation, appropriate massage, medication may improve the symptoms. 1. Enough milk for one day: two-month-old babies drink more milk during the day, and the amount of milk they drink at night will decrease accordingly, and the amount of milk for one day is already enough, which is a normal phenomenon and does not need special treatment. 2. Physiological anorexia: two months baby to the physiological anorexia, there may be the phenomenon of the middle of the night less milk than during the day, you can temporarily observe, the baby will slowly through the physiological anorexia. 3. indigestion: two months baby middle of the night less milk than during the day may be gastrointestinal dysfunction caused by indigestion, you can give the baby appropriate abdominal massage to promote gastrointestinal peristalsis, can be used under the guidance of the doctor Bacillus subtilis bacillus granules, baby spleen to improve the symptoms. 4. micronutrient deficiencies: two months baby middle of the night less milk than during the day may be caused by micronutrient deficiencies, such as zinc deficiency can lead to loss of appetite, under the guidance of the doctor to supplement zinc gluconate oral solution to regulate. The reason for the baby to drink less milk is more, to find out clearly after the symptomatic treatment.