Kidney yin and yang deficiency has symptoms such as fear of cold, limbs not warm, hands, feet and heart heat. Kidney yin and yang deficiency is mostly due to physical weakness, chronic illness and kidney; or due to excessive labor and injury, indolence in the room, old age and physical decline. The clinical symptoms of kidney yin and yang deficiency are coldness, lack of warmth in the limbs, warmth in the hands and feet, dizziness, tinnitus, soreness and weakness in the waist and knees, spermatorrhea, impotence and so on as the main manifestations. Clinical drugs commonly used in the treatment of kidney yin and yang deficiency include Jin Gui Kidney Qi Pill, Right Angelica Pill, Quan Deer Pill and so on. Patients with kidney yin and yang deficiency should pay attention to the combination of work and rest, avoid overwork, strengthen physical exercise, enhance physical fitness; according to the physical condition, it is appropriate to take a walk, qigong exercise and play tai chi and other activities. If you have any of the above symptoms, it is recommended that you seek medical treatment in time. If you need medication, you should go through the doctor’s diagnosis and follow the doctor’s instructions to standardize the treatment.