People with serious deficiency of heart qi usually have malfunction of the main blood vessels such as heart and chest tightness and shortness of breath; palpitations (rapid heartbeat, often accompanied by panic), dreams and other abnormalities in mental activities. 1. Malfunction of the main blood vessels: Malfunction of the main blood vessels mainly results in weak heartbeat and abnormal contraction of the veins, causing palpitations, tightness in the heart and chest, exhaustion of qi when the heart moves, whitening of the face due to the inability of blood to run, aching and weakness of the limbs, and so on. 2. Abnormal mental activity: Abnormal mental activity will be manifested by palpitation, emptiness in the heart, dreaming and waking up easily, and lack of spirit. If there is a serious lack of heart qi, the patient should go to the hospital in time, cooperate with the doctor to actively check, to avoid aggravation with the development of the disease. In addition, daily should maintain a relaxed mood, avoid overwork; diet light, avoid spicy, stimulating, greasy food, so as not to aggravate the condition.