I. Performance of needing to add complementary foods? a The baby eats milk eight to ten times a day, but is still in a hungry state. b The baby is mature, the movement can sit with support, prone with head up and put hands or toys in the mouth. c When feeding, the spoon touches the baby’s mouth and lips to show the sucking action, and the food can be pushed backwards with the swallowing action. d Feeding complementary food, the baby’s head or body turned to the other side, or closed mouth to eat, then should be suspended to add.