Chest tightness and fire may be related to heart fire, which can be divided into false fire and solid fire. However, the specific causes need to be combined with the patient’s other symptoms to decide. Real fire: in addition to chest tightness, patients may also be accompanied by irritability, insomnia, recurrent mouth ulcers, swollen and painful gums, dry mouth, short and red urine (small amount of urine, dark yellow color). In severe cases, there may even be manic delirium, confusion, vomiting of blood, nosebleeds, etc. Deficiency fire: In addition to chest tightness, patients may also have hot flashes (a burst of fever), night sweats (abnormal sweating after going to sleep, sweating stops after waking up), insomnia, palpitations (rapid heartbeat, often accompanied by panic), heartburn, dry mouth and throat, heat in the hands and feet, emaciation, flushing of the cheekbones (redness of the zygomatic bone area on both sides of the face), and so on. If you have any of the above discomforts, it is recommended that you seek medical treatment promptly.