There is no obvious difference between men and women in terms of diet for bad kidneys. It is recommended to have low salt, low fat, high quality and low protein diet, and if combined with renal insufficiency, to avoid intake of food with high potassium and high phosphorus. Excessive intake of protein will increase the burden on the kidneys, so it is recommended that patients should consume less vegetable protein and proper consumption of high quality animal protein, such as fish, milk, eggs and so on. Excessive intake of sodium and fat will aggravate the degree of kidney disease, so patients should control the intake of salt and fat. For nephritis patients with normal renal function, all kinds of fruits and vegetables can be eaten, but if there is edema, it needs to be appropriately limited so as not to cause excessive water intake. If the patient has renal insufficiency, try to avoid the intake of foods such as high potassium and high phosphorus. Such as animal offal, nut foods, etc., so as to avoid patients from developing hyperkalemia and hyperphosphatemia. If patients develop kidney disease, it is recommended to go to regular hospitals in time and standardize the treatment under the guidance of doctors.