Daochi Wan (simplified Chinese: 导赤丸; traditional Chinese: 導赤丸) is a blackish-brown honeyed pill used in Traditional Chinese medicine to "remove heat, quench fire, relieve dysuria and to relax bowels". It is used in cases where there are "ulcers in the mouth or on the tongue, sore throat, fidgetness and distress in the chest, micturition of small amount of red urine, and constipation due to virulent-internal-heat". It tastes sweet and bitter.
References
Daochi Wan Wikipedia(Text) CC BY-SA