Deficiency of heart yin, i.e. heart yin deficiency, is characterized by palpitations (rapid heartbeat, often accompanied by panic), insomnia, irritability, hot flashes (bursts of heat), etc. Treatment is based on the principle of nourishing yin and nourishing the heart. Heart yin deficiency is a TCM condition caused by insufficient heart yin due to chronic illness, overwork, emotional factors, etc. It manifests itself as insomnia, palpitations, irritability, five heart-heat (heat in the hearts of the hands and feet, and self-consciousness of the heart and chest), hot flushes, night sweating (sweating abnormally after falling asleep, but sweating stops after waking up), flushed face, sores on the mouth and tongue, dry throat and thirst, etc. The treatment is to nourish yin and nourish the heart. Heart Yin deficiency is treated by nourishing Yin and nourishing the heart, and can be treated with Chinese herbs such as Sour Jujube Seed, Cyperus rotundus, Maitong, and Lily of the Valley under the guidance of a doctor. This formula should not be taken for a long period of time for those with weak spleen and stomach. If you have a deficiency of heart yin, you need to actively consult a doctor and follow the doctor’s instructions for reasonable treatment, so as to avoid delaying your condition.