Many babies are hungry fast and eat a lot, but still yellow and thin, not “long flesh”, what is going on? In fact, this is likely to be neonatal malabsorption syndrome, in the end what is neonatal malabsorption syndrome? Neonatal malabsorption syndrome is due to various reasons caused by nutrients, especially fat can not be fully absorbed by the small intestine, resulting in diarrhea, malnutrition, weight loss and other symptoms. Neonatal malabsorption syndrome is a common disease of newborns, which seriously affects the health of babies and causes great harm to their growth and development, so mothers should not ignore it. Symptoms: The number of stools of the affected baby varies from several to more than ten times, the stool volume is large, light brown or yellow, gray, unshaped stool, bad odor, greasy surface gloss or foamy, because the stool contains a lot of fat particles, so the stool is lighter, often floating on the surface of the potty. Patients do not gain weight or instead lose weight, growth is retarded or even stopped, there is light pressure pain in the abdomen, abnormal sensation in the extremities, mouth and tongue inflammation or ulcers, pellagra-like color deposition. Etiology: 1. Insufficient secretion of bile or pancreatic juice. 2. Bacterial overgrowth in the small intestine. 3, small intestinal motility disorders. 4, small intestine blood circulation or lymphatic circulation disorders. 5, lesions of the small intestine itself. 6, small intestine absorption disorders, resulting in carbohydrates, proteins and fats can not be well absorbed and utilized by the baby.