Cold hands and feet in the elderly are considered by Chinese medicine practitioners to be caused by deficiency of yang qi and deficiency of qi and blood. Elderly people with deficiency of yang qi may have cold hands and feet, pale or grayish-black face, fear of cold, mental fatigue, or prolonged defecation of stools, stools containing a large amount of undigested food, or diarrhea at dawn, or swelling, the most obvious below the waist, press the depression, and in severe cases, abdominal distension, swelling of the whole body, and so on. Elderly people with deficiency of qi and blood can have cold hands and feet, poor spirit, fatigue, chest tightness and shortness of breath, lack of strength to speak, dizziness, heartburn, insomnia and so on. If the symptoms of cold hands and feet are not relieved for a long time or accompanied by other discomforts, consult a doctor in time to identify the causes and carry out targeted treatment.