Most of the drooling babies are caused by physiological reasons, such as unsound swallowing function and eruption of milk teeth. Some babies drooling with oral diseases, parents need to pay attention to, if there are abnormalities, should promptly take the baby to consult a doctor to identify the cause of the disease, for targeted treatment. Common reasons 1, swallowing function is not sound: 3-4 months of age, the baby salivary glands are mature, increased saliva secretion, but at this time the baby swallowing function is not sound, and the milk teeth bite relationship is not fully established, the entire mouth upper and lower jaw gap, saliva will continue to flow; 2, the baby teeth eruption: when the baby’s milk teeth begin to erupt, will cause swollen gums, itchy, gingival nerve stimulation salivary glands secrete saliva, resulting in increased saliva, and the gum nerve. Resulting in increased secretion of saliva, and the baby’s shallow mouth, coupled with the imperfect development of swallowing function, it is easy to appear the phenomenon of love drool; 3, oral diseases: baby oral ulcers, herpes or pharyngitis and other oral diseases, oral and pharyngeal pain, even swallowing saliva will hurt, the baby will appear to refuse to swallow saliva response, resulting in the phenomenon of love drool; 4, behavior and habits: baby in this stage gradually explore environment and develop personal habits, partly like to bite hands, open mouth, more likely to drool. Response 1, due to unsound swallowing function, teething causes drooling phenomenon, belongs to the physiological drooling, parents do not need to worry too much, wait until the baby is sound development, the symptoms will disappear; 2, baby teething period, parents can prepare the baby gum sticks to train oral motor ability to reduce the phenomenon of drooling; 3, when the baby appears drooling and accompanied by crying more than symptoms, parents should promptly take the baby to the hospital for examination and targeted care. Attention baby drooling too much, should promptly wipe the mouth and replace the bib to prevent the accumulation of saliva caused by drool rash.