If a newborn has green stools due to iron non-absorption, it can usually be managed by continued observation and prompt medical attention to clarify whether iron replacement is needed. If a newborn has green stools due to iron non-absorption, if the number of times is not too frequent or if the newborn’s stools are usually more normal in number and character, there is usually no need to deal with it. If the newborn’s symptoms continue to be severe, or because of certain diseases such as iron deficiency anemia, clearly need iron supplementation treatment, then you need to consult a doctor in time to see if you need to change to other iron supplements, such as ferrous sulfate, ferrous fumarate and so on. Therefore, the newborn due to individual differences in the absorption of different iron are different tolerance, if the symptoms are serious should consult a doctor in time to clarify the cause of the disease to choose the appropriate treatment program. The above drugs should be used according to the doctor’s prescription.