Drooling is a common phenomenon among babies, but drooling often can not stop flowing, it may be a sign of disease, mothers and fathers should pay attention to distinguish whether the baby drooling is normal, if the baby drooling too much or has been flowing non-stop, we should consult the doctor as soon as possible, as soon as possible to treat, so as not to delay the disease, to the detriment of the baby’s health. Why do babies love to drool within 1 year of age The salivary glands of newborn babies are not yet well developed, and the amount of saliva secretion is actually very little. Until 3-5 months later, babies start drooling. Especially after the baby began to add supplementary food, with the intake of starchy food, salivary glands are stimulated, saliva secretion began to increase. And 6-12 months is the baby’s saliva flooding period. At this stage, most babies will have their first milk teeth, and the growth of teeth will stimulate the nerves on the gums, causing mild swelling and discomfort of the gum tissue and increased saliva production. Until 1-2 years old, as the baby’s mouth depth increases, swallowing ability to strengthen, the baby drooling phenomenon will slowly disappear. Four conditions are signs of disease drooling is a normal physiological phenomenon of babies. However, the baby in drooling at the same time along with the emergence of several situations, but may be signs of disease. 1, if the drooling is accompanied by long blisters at the corners of the mouth, the baby may have a disease is a mouth ulcer or stomatitis. Because mouth ulcers are more painful, so the baby may refuse to eat or have difficulty swallowing, parents can prepare some soft and rotten liquid food for the baby to eat. 2, if drooling while accompanied by fever, runny nose, may be pharyngitis or tonsillitis, tonsillitis is often accompanied by redness and swelling of the throat, which leads to the baby swallowing difficulties. At this time, parents are advised to let their babies drink more water and, if necessary, go to the hospital for examination. 3, if drooling accompanied by mouth ulcers, then the baby may be suffering from chicken pox or hand-foot-mouth disease. After the baby is infected with chicken pox or hand, foot and mouth disease, ulcers may appear in the mouth or tongue, because the ulcers will be very painful, so the baby will show swallowing difficulties, if the baby refuses to eat, you can let the baby drink more milk and rice paste to supplement nutrition. 4, when the baby drooling at the same time, accompanied by abnormal behavior, such as coma, then parents have to pay extra attention. The baby may be suffering from neurological diseases, such as mental retardation, facial nerve palsy, meningitis sequelae, etc.