Kidney cyst diet should be based on light and easy to digest food, to avoid spicy and stimulating food, such as chili, pepper, barbecue, etc., these foods will increase the burden of kidney excretion and aggravate the kidney cyst, while limiting high salt diet, such as pickles, kimchi, sauerkraut, etc., these foods are easy to cause water sodium retention and increased blood pressure, which will aggravate the kidney damage of kidney cyst. If kidney cyst is accompanied by oliguria or hyperkalemia, you should eat less fruits with high potassium content, such as spinach, banana, orange, grapefruit, etc. You should also limit high purine diet, such as animal offal, seafood, beer, broth, etc.; try to eat high quality animal protein, such as eggs, meat, fish, etc.; try to eat less vegetable protein, such as bean products, etc.; try to eat less animal oil, fatty meat and other high-fat foods, because if excessive consumption of These foods will cause atherosclerosis, which will aggravate the lack of kidney blood perfusion.