Six-month-old babies have physiological diarrhea and pathological diarrhea after eating milk. 1. physiological diarrhea: a part of the baby in the eating on the pull, but does not affect the baby’s growth and development, the baby’s mental state is good, and height and weight and other growth indicators are up to standard, is physiological diarrhea, without special treatment, with the baby’s growth and development, and complementary food additions, eating on the pull of the symptom will generally slowly get better. 2. Pathological diarrhea: Including infants allergic to breast milk or milk powder, intestinal infections and other causes of frequent diarrhea, stool shape can be watery stool, mucus stool, or even pus and blood stool. At the same time can be accompanied by fever, vomiting and other symptoms. When the disease is serious, it can affect the growth and development of infants. Six-month-old babies have diarrhea after breastfeeding, there may be other reasons, it is recommended to go to the hospital, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.