Causes of newborn drooling mainly include the following situations: 1, due to newborns suffering from mouth ulcers, if the newborns oral inflammation will cause oral pain, and often accompanied by poor milk and drooling symptoms, for this situation can be given to the newborns timely application of purging medication to carry out the treatment, such as newborns can be applied to the Pu Dilan anti-inflammatory oral liquid. 2, Due to the newborn’s shallow mouth caused by the physiological phenomenon, because the newborn’s age is relatively small, the development of the mouth is not too perfect, especially in the newborn’s teething, the eruption of teeth will stimulate the secretion of the salivary glands, which will cause an increase in drooling, this is a temporary physiological phenomenon, with the newborn’s age, the symptoms of drooling will slowly disappear.