Symptoms of heart-kidney disharmony (heart fire and kidney yin deficiency, dysfunction of the physiological functions of the heart and the kidneys) are heartburn, heat in the hands and feet, insomnia and excessive dreaming, frequent urination, and lumbar and knee soreness (feeling of soreness and weakness in the lumbar and knee regions). Symptoms of Yin-Yang deficiency are coldness (fear of cold, cold limbs), five heart-heat (heat in the hearts of the hands and feet, and self-consciousness of the heart and chest), thirst and little drinking, and mental fatigue. 1. Heart and Kidney Dissonance syndrome: This syndrome is caused by overwork or emotional disorders (emotional displeasure) and other factors, resulting in heart fire and kidney yin deficiency, which is mainly manifested as disturbed heart and restlessness, insomnia and excessive dreaming, lumbar and knee soreness and weakness, frequent urination, and dryness of the mouth. 2. Yin and Yang deficiency syndrome: this syndrome is mostly seen in the late stage of the disease, and is characterized by frequent urination and urgency, soreness and weakness of the waist and knees, coldness and coldness of the limbs, mental depression, night sweating (sweating abnormally after falling asleep, but sweating stops after waking up), heartburn and heat, thirst and little drinking, and mental fatigue. For patients with the above symptoms, it is recommended to go to a regular hospital for consultation and treatment under the guidance of a professional physician to identify the symptoms.