Eight months of the baby eating milk powder poop green, always love to fart may be indigestion, milk powder contains iron and other reasons. 1. indigestion: eight months of the baby eating milk powder poop green, always love farting may be indigestion, mainly with improper feeding and other reasons, indigestion will lead to loss of appetite, lack of spirit and other symptoms, there will be a poop green, always love farting situation. 2. milk powder contains iron: eight months of the baby eat milk powder poop green, old love fart may be milk powder contains iron caused, usually eight months of the baby eat milk powder if contain iron, may be due to iron absorption is not complete and appear green stool, old love fart symptoms. It is recommended to take your baby to the hospital for a routine stool examination if he or she has green poop and farts, and to treat him or her appropriately under the guidance of a doctor.