In one sentence, the dietary principles of kidney disease are low salt, low fat and high quality low protein diet, which include the following points: 1. low salt, because eating food with high salt content will lead to high blood pressure, high blood pressure and excessive water content will lead to increased burden on the kidneys, further aggravating the damage to the kidneys; 2. low fat, low fat diet is obviously to reduce the intake of cholesterol in food, thereby reducing the burden on the kidneys; 3. high quality protein diet, with kidney disease to carry out a high quality protein diet, on the one hand, to reduce the burden on the kidneys, on the other hand, to supplement high quality protein, which can improve the symptoms related to the kidneys;.