Deficiency of the heart refers to insufficiency of the heart’s qi and blood, and the main symptoms are palpitations, shortness of breath, forgetfulness, easy to be frightened, heart bitter and unhappy, restlessness in sleep, face color, or self-sweating, night sweating, and so on. Heart deficiency is also divided into heart yin deficiency, heart yang deficiency and heart blood deficiency, and different deficiency has different clinical manifestations, as follows: 1, heart yin deficiency: heart yin deficiency main symptoms include heartburn, dazed and anxious, insomnia, low-grade fever, night sweating, zygomatic redness, dry mouth, and weak pulse, etc. 2, heart yang deficiency: heart yang deficiency is the most serious condition of heart qi deficiency, and in addition to heart qi deficiency, there are also symptoms such as cold extremities, profuse sweating, worsening of palpitations, or even coma, and faint pulse. Blood deficiency of the heart: The main symptoms of blood deficiency of the heart include dizziness, pale face, palpitation, heartburn, insomnia, dreamy, forgetfulness, and weak pulse.