Food does not have the role of kidney protection, so there is no food that is good for men’s kidneys. To protect kidney function, you should pay attention to rest, avoid overwork, and avoid taking medicines that are damaging to the kidneys. A large amount of scientific data shows that food does not have medicinal value, men with bad kidney, can not adjust kidney function through food, to use scientific and reasonable way of treatment. Men with bad kidney function should pay attention to rest, avoid overwork and prevent infection. In normal life, we should pay attention to avoid eating drugs that damage the kidney, such as to limit the intake of non-steroidal anti-inflammatory drugs, and other drugs that damage kidney function should be limited. Patients with poor renal function should pay attention to find the cause, understand the degree of renal function damage, if necessary, go to the hospital, under the guidance of the physician to improve the relevant examination, give targeted treatment.