Heart fire is caused by excessive heart fire or deficiency of heart yin. Symptoms and manifestations include tongue sores, oral eruption, heartburn and insomnia, and reddish-red tip of the tongue. 1. Solid fire: solid heat symptoms due to hyperactivity of heart yang, common clinical symptoms include fever, thirst, heartburn, sores on the mouth and tongue, dizziness, redness and pain, redness of the face, and number of pulses, etc. In addition, the heart and the small intestine are mutually exclusive. In addition, the heart and the small intestine, the heart fire inflammation can be manifested as short red urine (small amount of urine, dark yellow color), urinary fever and urinary pain and other symptoms. 2. Deficiency fire: The deficiency of Yin in the Heart leads to a relative exuberance of Yang, resulting in symptoms of deficiency heat. Common clinical symptoms include night sweats (abnormal sweating after going to sleep, but sweating stops after waking up), hot flashes (bursts of fever), facial flushing, excessive dreaming, insomnia, palpitations (rapid heartbeat, often accompanied by panic attacks), and forgetfulness. Heart fire needs to be kept in a happy mood, avoiding spicy and greasy food, and strengthening exercise in general. If the patient has symptoms of Heart Fire, he/she should consult a doctor in time.