Bitterness in the mouth and yellow tongue coating are symptoms caused by liver qi stagnation and qi stagnation turning into fire, which is called Shaoyang depression and heat in Chinese medicine. The formula for treating this condition is called Xiao Chai Hu Tang, which can be bought in the market as Xiao Chai Hu granules for brewing or prepared by yourself at a Chinese herbal store, the composition of which is Chai Hu, Bai Shao, Ginseng, Licorice, Semen, Scutellaria, Ginger and Dates all need to be prepared by yourself. In addition to the use of drugs, you need to pay attention to the proper regulation of their emotions, such as such a state may often appear impatient and irritable, to promptly sort out their emotions, to control. In the diet, you should eat more vegetables, drink more water and eat more cool food. For foods that are prone to heat, such as chicken, duck, fish or fatty, thick and greasy, fried foods and seafood, it is easy to cause aggravation of these symptoms, so, from these aspects of a comprehensive treatment and adjustment.