Protecting the kidney meridian of the foot starts from the sole of the foot, and the foot is vulnerable to cold air, so special attention should be paid to keeping the foot warm. It's best to wrap your ankles with socks, and don't walk barefoot in wet places for a long time. Don't hang your feet outside when you sleep. The quilt must be under your feet and over your shoulders. Don't blow your feet directly at the air conditioner or electric fan. There are many acupoints on the soles of feet. Pressing Yongquan point on the sole of the foot before going to bed can tonify kidney and solidify essence.

Poor defecation, stagnant stool and upward attack of turbid qi not only make people upset, chest tightness and shortness of breath, but also hurt the kidney, leading to backache and fatigue, nausea and vomiting. Therefore, keeping the stool unobstructed is also a way to tonify the kidney. To achieve smooth stool, you need to adjust your diet structure according to your actual situation and do more exercise. When the stool is difficult to understand, you can stick your hands back to the kidney area and press hard, which can stimulate kidney qi and accelerate defecation.

Drinking enough water is the source of life, and drinking water often is a very important way to tonify the kidney. Drinking too little water may cause turbid retention and increase the burden on the kidneys, so it is necessary to develop the habit of drinking more water. Drink at least 8 cups of boiled water every day to replace drinks, dilute urine and prevent kidney diseases such as stones.

Good sleep and adequate sleep play an important role in the maintenance of qi and blood biochemistry and kidney essence. Sleep can restore essence, invigorate qi, strengthen spleen and stomach, and strengthen bones and muscles. Many patients with renal failure have long-term experience of staying up late, fatigue and lack of sleep. Therefore, it is necessary to develop good habits of work and rest, go to bed early and get up early, and not indulge in sex, which is conducive to the maintenance of kidney essence.

Do not suppress the urine stored in the bladder to a certain extent, which will stimulate the nerves to produce micturition reflex. Be sure to go to the toilet in time at this time. Otherwise, holding urine for a long time will lead to bladder pressure increase, bladder pressure reflex disorder and detrusor function decline, or affect the anti-reflux mechanism of ureter and bladder, leading to urine reflux, easily inducing pyelonephritis, and even causing renal function damage.

In ancient China, swallowing body fluid paid special attention to the value of saliva, believing that swallowing body fluid could "moisten five internal organs, please skin, strengthen teeth, strengthen bones and muscles, promote qi and blood circulation, and prolong life". Saliva in the mouth is clear and scarce, which is dominated by the spleen; The thick is saliva, which is dominated by the kidney. Human saliva contains a variety of beneficial substances, which can help digestion, neutralize gastric acid, resist bacteria and enhance immunity. Usually lick the upper jaw with the tip of the tongue, or contain a jujube pit to produce saliva.

Massage the waist and waist with many acupoints, such as Mingmen, Shenshu, Yaoyangguan and Yao Yan. Usually, you can often rub or pat the lumbosacral part, rub both sides of the waist, and exercise your waist and buttocks once a day in the morning and evening, which can warm and tonify kidney yang, benefit the waist and spine, and dredge the meridians. When walking, rubbing the kidney area with both hands can relieve the symptoms of backache.

There are three kinds of toxicity when drugs are used with caution. Drugs with nephrotoxicity mainly include aminoglycosides, vancomycin, contrast agents, heavy metals, cisplatin, non-steroidal anti-inflammatory drugs and cephalosporins. Some Chinese herbal medicines such as Akebia manshuriensis and Aristolochia can also cause kidney damage. Be vigilant when using drugs to prevent abuse or too many kinds of drugs. For drugs with potential nephrotoxicity, the indications, methods, dosage and course of treatment should be strictly controlled.