Kidney deficiency caused by darkening of the face should be distinguished from kidney yin deficiency or kidney yang deficiency, kidney yin deficiency needs to be used to nourish the yin of the kidney, such as six flavors of dihuang pill, etc.; kidney yang deficiency needs to be used to warm the kidney yang of the traditional Chinese medicine, such as the right angelica pill, etc., the specific use of medication, please follow the doctor’s instructions. Dark and dull face, belonging to kidney yang deficiency, due to yang deficiency and fire failure, loss of warmth, turbid yin upward, accompanied by lumbar and knee soreness and weakness (lumbar and knee soreness and weakness), fear of cold limbs (fear of cold, cold limbs), fatigue (mental fatigue, physical fatigue); impotence, premature ejaculation in men; women’s uterine cold, infertility, and leucorrhea, clear and sparse amount of. The dark, dry and burnt face is a deficiency of kidney yin, which is caused by yin deficiency and internal heat and burning of essence, accompanied by soreness and weakness of the waist and knees, dizziness and tinnitus, dry throat and red cheekbones (reddish color of cheeks and zygomatic bones), hot hands and feet, hot flashes (a burst of heat), night sweating (abnormal sweating after going to sleep, and sweating stops after waking up); men’s sexual desire, spermatorrhea, and premature ejaculation; and women’s menstruation is scanty, menorrhagia, and menstrual omissions. Kidney yin deficiency requires the use of herbs that nourish kidney yin, such as ripened dihuang, huang jing, wolfberry, etc., and commonly used formulas include six flavors of dihuang pills, zuo gui pill, etc. Kidney yang deficiency requires the use of herbs that warm kidney yang, such as horny goatweed, du zhong, and tonifying bone marrow, etc., and commonly used formulas include yu gui pill, kidney qi pill, etc. In addition, we cannot rely on the darkening of the face to determine kidney deficiency. Besides kidney deficiency, blood stasis, cold syndrome, pain syndrome, and water drinking can all lead to darkening of the face, and different causes will have different accompanying symptoms, which need to be diagnosed and treated. If you are in discomfort and need to take medication, it is recommended to go to the hospital and choose the medication under the doctor’s guidance.