The symptoms of anorexia in three-month-old babies are mainly characterized by low milk intake, resistance to milk and lack of concentration. 1. Reduced milk consumption: three-month-old babies enter the anorexia period, is a normal physiological phenomenon, manifested in the waking state of the amount of milk significantly reduced. 2. Resistance to breastfeeding: babies are reluctant to eat milk and have a certain resistance to eating milk. 3. Lack of concentration: It is manifested as distraction during the process of breastfeeding, often playing while eating or not eating after a while, and curiosity about external things. Anorexia generally do not need to enter a special treatment, but if the duration is longer, the child’s mental state is worse, it is recommended to go to the hospital in a timely manner, you can take some drugs to promote digestion under the guidance of the doctor.