Kidney deficiency with cold hands and feet may be a manifestation of kidney yang deficiency. The condition should be promptly diagnosed by a doctor through physical examination and other accompanying symptoms, and appropriate treatment measures should be taken. Deficiency of Yang in the kidney leads to Kidney Yang deficiency, which is usually caused by overindulgence, decreased immunity, congenital deficiency, aging, lack of nutrition, long-term alcohol abuse, and eating spicy foods. The main symptoms of patients are clinical manifestations such as cold pain in the lower back, cold fear of cold extremities, edema in the lower extremities, clear and long urine, and frequent nocturia. Patients suffering from kidney yang deficiency can be treated clinically with Jin Kui Kidney Qi Pill under the guidance of a doctor. While treating with medication, one should abstain from sexual intercourse, avoid overworking in the room, avoid eating cold food, prefer a light diet, and eat more foods rich in vitamins and proteins. You can increase your activities to enhance your physical fitness. In addition, common causes of cold hands and feet may also include qi stagnation and blood stasis, qi and blood deficiency, blood deficiency and cold clotting, yang deficiency, etc., which should be treated with evidence-based treatment after full communication with the doctor in order to promote physical recovery and relieve symptoms.