The reasons why babies suddenly do not like to drink milk powder include physiological factors, such as adverse environmental interference, change of milk powder brand, etc.; also include pathological factors, such as oral diseases, indigestion, etc.. It is necessary to clarify the causes in time for adjustment or treatment. 1. Physiological factors: including indoor environmental temperature is too low or too high, too noisy indoor, too bright light or change the milk powder baby is not adapted to. 2. Pathological factors: because the baby suffers from oral ulcers, gingivitis or dental caries and other oral diseases, resulting in a sudden lack of love for drinking milk symptoms; the baby suffers from acute gastroenteritis or indigestion, etc., abdominal discomfort affects the normal eating, showing the above symptoms. The baby suddenly do not like to drink milk powder may also have other reasons, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.