Kidney yang deficiency and kidney yin deficiency can be distinguished in terms of etiology, symptomatology, and treatment. Kidney yang deficiency is caused by yang deficiency of the body or prolonged illness, excessive loss, and weakness in old age, which can lead to coldness (cold body), cold limbs, lack of mental energy, shortness of breath and wheezing, lumbar and knee soreness (lumbar and knee soreness and weakness), impotence, spermatorrhea, etc. The treatment should be to replenish the kidney yang and the doctor’s advice can be chosen from medicines such as Right Angelica Pills and Jin Gui Kidney qi Pills. Kidney yin deficiency is mostly caused by injury to essence, depletion of fluid or acute febrile illnesses that deplete kidney yin. Symptoms include lumbar soreness and fatigue, dizziness and tinnitus, spermatorrhea and premature ejaculation, dry mouth and sore throat, zygomatic flashes (redness of the cheekbones on both sides of the face), heartburn (heat in the hearts of the hands and feet, and self-consciousness of heart and chest heat), or afternoon flashes of heat (a burst of fever), which are suitable to nourish the kidneys and raise yin, and may be adjusted with Six-flavored Digoxigenin Pills, Zuogui Pills and other medications. After the discomfort should consult a doctor in time, under the guidance of the physician’s diagnosis and selection of medication, not self-medication, so as not to delay the condition.