There are two groups of symptoms of lung and stomach fire, one group is lung heat and the other group is stomach fire, these two groups of symptoms can exist at the same time, but usually the most common group is the main symptom. The common point of the two groups of symptoms is that the internal fire is strong, more manifestations are gum swelling and pain, bad breath, thirst, constipation, red tongue, yellow moss, specific symptoms are: 1, lung-heat-based: the main symptoms are fever, cough, shortness of breath, breathing difficulties and other symptoms, there will be thirst, chest pain, coughing phlegm, etc., individuals will appear the smell of phlegm fishy; 2, stomach fire-based: the symptoms will be more, there are gastrointestinal symptoms, elimination of grain and good hunger also That is, there is a sense of hunger, large meals, but also not easy to digest. In addition, the stomach fire up will have bad breath, swollen gums, acid reflux, heartburn, etc., and the stomach fire down will have yellow urine, burning sensation in the anus, constipation, etc. The above symptoms may occur simultaneously or alternately in some cases. The symptoms of lung and stomach fire can appear in the course of many diseases, especially acute infectious diseases of the respiratory tract, so the treatment and conditioning of this group of patients should be timely and appropriate. In mild cases, drinking more water, taking more rest and eating a light diet can relieve the symptoms, while in severe cases, medication is needed. In case of severe symptoms such as high fever, cough and shortness of breath, the patient should go to the hospital in time to prevent aggravation of the condition.