Fire in the stomach generally belongs to the gastric heat blazing evidence, can appear burning pain in the stomach and epigastric cavity, elimination of grain and good hunger (eat a lot and also easy to be hungry) and solid heat symptoms, manifested as pain in the stomach and epigastric cavity, refusing to be pressed, elimination of grain and good hunger, foul-smelling breath, red, swollen and painful gums, thirst and cold drinks, constipation, urination, and other short yellow manifestations. Fire in the stomach is generally caused by emotional disorders, external heat, dietary factors, long illness and injury to the yin, mainly manifested as pain and discomfort in the stomach and epigastric region, dry mouth and thirst, foul-smelling breath, wanting to drink, vomiting, short urine, constipation and so on. The principle of treatment is to clear the stomach and diarrhea (remove stomach fire) and nourish yin, which can be treated with Chinese medicines such as Niuhuang Qingguan Pill, Qingguan Huanglian Pill, Da Huang Qingguan Pill, and so on. Since stomach fire can be divided into real and imaginary, it is important not to use medicines blindly. If symptoms such as pain and discomfort in the stomach and epigastric region, dry mouth and thirst occur, it is recommended to consult a doctor in a timely manner and use medication under the doctor’s guidance, in order to prevent improper use of medication, which may cause delays in the condition.