Symptoms of heart fire include mouth and tongue sores, dry mouth, heartburn, short and red urine (small amount of urine, dark yellow color); heart fire can be divided into two kinds of deficiency and reality, and their clinical manifestations have their own characteristics. Real fire: can be manifested as irritability, insomnia, mouth ulcers, swollen gums, short and red urine, etc., and in severe cases, even manic delirium (gibberish), confusion, accompanied by fever, thirst and so on. Deficiency fire: Deficiency fire is mainly manifested as hot flashes (a burst of fever), night sweating (abnormal sweating after going to sleep, and sweating stops after waking up), heartburn, dry mouth and throat, and heat in the hands and feet, etc. If the condition is prolonged, the heart fire can be more severe. If the condition is prolonged, the heart fire may move down to the small intestine and other related discomforts. If you have any discomfort symptoms, go to the hospital as soon as possible, according to the specific condition, to formulate individualized diagnosis and treatment plan.