There is no such thing as the best herb for liver disease. Herbs that can be used to treat liver system diseases include Chai Hu, Angelica sinensis and Gentian herb. 1. Chai Hu, the main treatment for superficial fever, Shaoyang syndrome, liver depression and stagnation of qi (poor transportation of qi and blood in the liver, emotional depression), qi deficiency and sagging, prolapse of organs, reducing heat and intercepting malaria (eliminating heat and evil spirits, treating malaria). It is also contraindicated or used with caution in cases of yin deficiency and hyperactivity of yang (deficiency of yin fluid and hyperactivity of yang), internal movement of liver wind, yin deficiency and hyperactivity of yin (deficiency of yin essence in the body and hyperactivity of deficient fire), and qi upward reversal. 2. Angelica sinensis, the main treatment of blood deficiency and yellowing, irregular menstruation, menstrual pain, blood deficiency, blood stagnation, blood cold pain, bruises, rheumatism paralysis, carbuncle (is a kind of venomous sores, occurring on the surface of the body, limbs, internal organs of the acute suppurative disease) sores, intestinal dryness constipation and so on. Hot bleeding patients are prohibited, dampness in the fullness (dampness is too heavy to cause fullness and discomfort in the spleen and stomach) and loose stools should be taken with caution. 3. Gentian Herb is used for jaundice due to dampness-heat, swollen and itchy nether regions, subluxation of the belt, itching of eczema, redness of the eyes due to liver fire, tinnitus and deafness, dystocia and bitterness of the mouth (pain in the area of dystocia and ribcage and bitterness of the mouth), strong middle, and convulsions of convulsive winds (a pediatric disease that is characterized by fainting, convulsive wind, and convulsive seizures). It is contraindicated for those with deficiency of spleen and stomach (spleen and stomach weak and cold), and used with caution for those with deficiency of yin and injury of fluid. Specific medication needs to be under the guidance of a physician.