How to treat thick yellow tongue coating with bitter taste

Yellow tongue coating accompanied by bitter mouth, the first if yellow tongue coating accompanied by bitter mouth, at the same time there is anorexia greasy, flank pain discomfort, easy to get angry and other symptoms should be considered caused by hepatobiliary fire, this time to clear the liver and gallbladder treatment, the second yellow tongue coating accompanied by bitter mouth, if accompanied by tongue sores, insomnia palpitation, dreaminess, yellow urine and other symptoms. To consider is the heart fire caused by hyperactivity, this time to clear the heart fire to treat, the third tongue coating yellow, bitter mouth, if also accompanied by sweating, sweat is more sticky, abdominal distension stool is also more sticky, solution finished stool and uncomfortable feeling, to consider is damp heat fumigation caused, this time to clear heat and dampness to treat.