Bitterness in the mouth usually means that the heart is inflamed or the liver and gallbladder are hot. Bitter taste in the mouth, and affect the taste of food, no matter what food will be accompanied by a bitter taste, mostly represents its heart fire hyperinflammation or liver meridian fire. Heart fire inflammation will appear bitter mouth, dry throat, mouth and tongue sores, chest tightness, panic, yellow urine, red tongue tip, pulse number and other symptoms, should be given to clear the heart to remove the fire treatment, food can choose to eat bitter melon, lotus heart, etc., the drug can be chosen to Scutellaria baicalensis, gypsum, honeysuckle, light bamboo leaves and so on. If the liver meridian has the fire more will appear on the basis of the mouth bitter eye red swelling pain, headache, dizziness, noisy in the stomach, swallowing acid, both sides of the coercive rib pain, breast distension and pain, women appear leucorrhoea color yellow texture, thick, both sides of the tongue red, moss yellow, pulse string and so on the symptom, suggests to give to the liver and the gallbladder treatment, can take gardenia, Zhimu, Xiaku cao, gentian herb and so on.