Sluggish tongue that does not retract, swollen double tongue, throat blockage, high fever, monolateral tonsillitis, vomiting, hiccup, diarrhea, abdominal pain, excessive thirst.

Located inside the oral cavity, at the midpoint of the lingual frenulum.

Sit or lie down straight, open the mouth, and roll the tongue upward to the back. The midpoint of the lingual frenulum is where the acupoint is located.