The title should be referred to as heart yin deficiency, heart blood deficiency caused by the exuberance of the fire, the main clinical manifestations of palpitations (heartbeat, often accompanied by panic), insomnia, dreaminess, irritability, five heart heat (two hearts and two feet heart heat, and conscious of the heart and chest heat), hot flashes (a burst of heat) night sweats (after falling asleep sweating abnormally, woke up sweating to stop), and so on. Yin deficiency of the heart, mostly due to overwork, prolonged illness, poor mood (mainly depression, making the body depressed and fire, dark consumption of yin and blood) and other factors, due to yin deficiency to control the yang and thus the performance of the fire, such as palpitations, irritability, insomnia and dreaming, heartburn, hot flashes and night sweats, dark red, dry mouth and throat, or even mouth and tongue sores, and so on. Heart blood deficiency (insufficient blood in the heart) is mostly caused by blood loss, over-exertion, or insufficient source of blood biochemistry. Symptoms of palpitations, heartburn, easy to frighten, insomnia, forgetfulness, dizziness, pale face, lips and tongue color pale, etc., and sometimes can also be seen in the deficiency of the symptoms of exuberant fire. Daily attention should also be paid to moderation of labor and leisure, avoid overwork and stay up late, maintain a relaxed mood, avoid emotional stimulation, in order to prevent the occurrence of such diseases. If there is any discomfort, it is recommended to actively seek medical treatment, which can be identified and treated by a professional physician.