Exuberant Liver Fire mainly manifests as headache, irritability, tinnitus, darting pain, red tongue with yellow fur, and stringy pulse. Exuberant Liver Fire refers to the disease caused by fire-heat (exuberant fire-heat evil), which internally disturbs the liver and causes qi fire to go up against the liver. Liver fire mainly manifests as dizziness, distension and pain, pain like a knife, red face and eyes, dry mouth and bitter mouth, irritability, tinnitus, insomnia, pain in the abdomen and ribs, short and yellow urine, constipation, red tongue, yellow moss, and number of strings in the pulse. The treatment of exuberant liver fire should be based on the principle of purging the liver and catharticizing fire (removing liver fire), and the treatment is suitable to use Gentian Diarrhea Liver Tang. This formula is composed of gentian herb, gardenia, scutellaria baicalensis, chaihu, radix et Rhizoma Dioscoreae, zejiao, angelica sinensis, mouton, plantago ovatae and licorice, which has the effect of clearing liver and gallbladder fire. Adverse effects of Gentian Diarrhea Liver Tang have not been clarified, and it is contraindicated for allergy. If there is any manifestation of liver fire, clinicians should be consulted and the medication should be administered according to the doctor’s instructions.