Pig’s tail for drooling is not the mainstream treatment direction. If it can indeed relieve the symptoms of drooling, the effect of pig’s tail is mainly to strengthen the spleen, which can improve the spleen and reduce the symptoms of drooling, mainly seen in children’s applications. There are many causes of drooling, the more common ones are poor oral hygiene, malformation of teeth, neurological disorders, and incorrect posture, especially like improper sleep posture, which can lead to a lot of drooling in the mouth, and poor spleen and stomach function. Clinically, in children, drooling can be treated by strengthening the spleen and dispelling dampness. In adults, drooling is most likely due to stroke and should be treated by actively improving circulation to prevent and treat cerebrovascular diseases.