Bitter mouth and yellow tongue coating are symptoms caused by liver qi stagnation and qi stagnation that turns into fire, which is called Shaoyang depression and heat syndrome in Chinese medicine. The formula for treating this condition is called Xiao Chai Hu Tang, which can be purchased commercially as Xiao Chai Hu Granules for brewing or prepared by oneself at a Chinese medicine store, and which consists of Chai Hu, Bai Shao, Ginseng, Licorice, Semen Ha, Scutellariae Radix, Ginger and Jujubes all of which need to be prepared by oneself. In addition to medication, you need to pay attention to the proper regulation of their emotions, for example, such a state often may be short-tempered, irritable, to sort out their emotions in a timely manner, to control. In the diet should eat more vegetables, drink more water, eat more cool food. For food that easily turns heat, such as chicken, duck, fish and meat or fat, sweet, thick and greasy, fried food and seafood, it is easy to cause the aggravation of these symptoms, so, comprehensively deal with and adjust from these aspects.