Six-month-old babies always spit out their tongues may be normal, but do not rule out pathological factors such as indigestion, oral diseases and other causes. 1. Normal: six-month-old babies’ senses are not yet fully developed, and they will perceive external objects through their tongues, so they may always spit out their tongues, and babies generally do not have other uncomfortable symptoms. 2. Indigestion: If the baby is overfed, food accumulates in the stomach, gastrointestinal peristalsis slows down, and the baby feels abdominal pain, bloating and other discomforts, the baby may also appear to always spit out his or her tongue. 3. Oral disease: such as the baby’s oral cavity has a localized ulceration, or mouth ulcers, thrush, etc., causing localized pain in the oral cavity, which may lead to six-month-old babies always spit out their tongues. Six months the baby is always spitting out the tongue may also be other causes, it is recommended to go to the hospital in time to improve the examination to clarify the cause of the disease, to give targeted treatment or standardized treatment.