The spleen and kidneys are known as the “foundation of the first and second heaven”. Weakness of the spleen and kidneys in old age is an important cause of dementia in old age, so attention should be paid to nourishing the spleen and kidneys. Regulating the spleen and stomach, regardless of the deficiency and diarrhea, should be the first priority to protect the spleen, pay attention to the rise and fall of the medicine to prevent too much bias, do not be greasy to supplement, do not be too fierce to attack, do not be too cold, do not be too dry to heat, and take care of the spleen and stomach in every way. You can also use diet and medicinal food: yam and barley porridge, yam and white flower pigeon, ginseng and chicken oil dumplings, lotus seed soup, etc. And quit thinking, avoid labor to nourish the spleen. The kidneys can be nourished with sea horse and kidney chicken, beef soup, lumbago soup, wolfberry and silver ear soup, etc. The elderly kidney failure of the conditioning should also comply with the old saying “good health, must treasure its essence”, to protect the essence of the kidney is important to abstain from sexual intercourse, and abstain from sexual intercourse is important to nourish the heart, the heart is still all quiet, the heart is moving the desire to fire within the movement, easy to cause sexual intercourse too much and fold the essence of kidney damage. To meditate and abstain from sex should also be a bed alone. And pay attention to life in moderation, to avoid strain to protect the kidney essence.