The effects of Gentian Herb in water include clearing heat and drying dampness (removing heat and drying dampness), and diarrhea of liver and gallbladder fire. It should be noted that the efficacy of the drug in water is not as effective as decoction. Gentian herb is a heat-clearing and dampness-drying medicine, bitter in taste and cold in nature, belonging to the liver and gallbladder meridians. It is mainly used to treat jaundice, itching and swelling of the pubic area, leucorrhea, eczema caused by dampness-heat; eye redness and swelling caused by liver fire, deafness, chest and rib pain, bitter mouth; convulsions and coma caused by heat in the liver meridian. Gentian can be combined with Yin Chen for jaundice due to damp-heat of liver and gallbladder (damp-heat evils accumulated in liver and gallbladder); with Shi Huiming for jaundice due to hyperactivity of liver yang (liver yang is over-exuberant, causing dizziness, dizziness, headache, etc.), and convulsions of hands and feet due to heat in liver meridian; with Bitter Ginseng for jaundice due to damp-heat and itching of pubic area. This drug should not be used by people with deficiency and coldness of the spleen and stomach (spleen and stomach weakness and cold), and should be used with caution by people with deficiency of yin and injury of fluid. Please consult a medical professional for specific drug use.