Baby anorexia period is divided into physiological and pathological two kinds, physiological anorexia period in 3~4 months and 6~10 months or so, pathological anorexia period has no fixed time. 1. Physiological anorexia. The baby’s first anorexia usually occurs at 3~4 months, at this time with the baby’s growth and development, the outside world will be curious, easy to divert attention when eating milk, there will be anorexia phenomenon, but the mental state is good, the physical development is normal. The second anorexia period in 6 to 10 months, as the baby began to grow milk teeth, there may be itchy gums or red, swollen, pain and other phenomena, coupled with the addition of complementary foods after the novelty of complementary foods, but also the phenomenon of unwillingness to eat milk. These two are normal physiological anorexia, usually lasts about a month, do not need special treatment. 2. Pathological anorexia. Pathological anorexia is usually caused by respiratory tract infection or gastrointestinal discomfort, etc. The time of appearance is not fixed, and usually there will be crying, bad spirit, refusal of milk or fever, abdominal distension, vomiting, diarrhea, etc. The period of anorexia lasts for a long time, and it needs to be treated promptly. It lasts for a long time and requires prompt medical treatment. If your baby’s anorexia is accompanied by crying, poor spirits, fever, vomiting and other abnormalities, it is important to consult a doctor in a timely manner to determine the cause of the illness and to provide targeted treatment under the guidance of the doctor.