Babies with brown silky stools may be related to dietary factors, and may also be related to acute gastroenteritis and other factors. 1. Dietary factors: If you use iron-rich foods such as spinach and animal liver, or darker-colored foods when you add complementary foods to your baby, when your baby does not fully digest the food, it will lead to oxidation of the food in the intestinal tract, which will in turn make the stool appear as brown filamentous material. 2. Acute gastroenteritis: If the baby’s daily diet is not hygienic, it is easy to lead to bacteria, viruses and other pathogenic microorganisms with the food into the gastrointestinal tract, and then the gastrointestinal tract mucosal damage caused by acute gastroenteritis, in the role of the bacteria food oxidation, which led to the appearance of brown filaments in the stool. When you find that your baby’s stool presents brown silk, you should go to the hospital in time to check and actively treat the symptoms, to avoid causing serious impact on your baby’s health.