The baby does not eat much milk may be anorexia period, too early to add complementary food, disease and other reasons. 1. Anorexia: The baby’s spirit is still good, but the baby is not as focused on drinking milk as he used to be, and the amount of milk he drinks is significantly less than before. Maybe the baby has entered the anorexia period, just temporarily poorer appetite. 2. too early to add complementary foods: too early to add complementary foods, and in the complementary foods put sugar or salt, the baby itself is more sensitive to these, will lead to the baby gradually lose interest in milk, so that the phenomenon of not eating much milk. 3. Disease: If the baby has oral inflammation, inflammation of the throat, the baby will have oral pain, may not be willing to eat milk. If there is a respiratory disease, it will cause nasal congestion or coughing, which will also lead to the phenomenon that the baby does not eat much milk due to breath holding. If the baby does not take much milk is caused by disease, parents should take the baby to the hospital for examination in time, and take targeted treatment under the guidance of professional doctors.