Long-term kidney yang deficiency will cause harm to the body, such as lumbar and knee soreness (lumbar and knee soreness and weakness) cold pain, or male impotence, premature ejaculation, women’s uterine cold infertility, loss of libido and so on. The clinical symptoms of long-term kidney yang deficiency are soreness and cold pain in the waist and knees, or male impotence, premature ejaculation, women’s infertility with uterine cold, loss of libido, or prolonged defecation of stools, undigested food in the stools, pre-dawn abdominal pain and diarrhea, pale or dark face, fear of cold, lack of warmth in the limbs, depression, and long and clear urine or nocturnal urination. Patients with kidney yang deficiency can eat shrimp, leeks, walnuts, etc. in moderation. Limit sodium intake, eat less or not eat canned, pickled products and other foods with high salt content. When the symptoms of kidney yang deficiency appear, you need to seek medical treatment in time.