Precautions for kidney cysts: 1. The size of kidney cysts and kidney function indicators should be monitored regularly, if the kidney cysts are small, no special treatment can be suspended. If the kidney cyst is larger, with a diameter of more than 5cm or abnormal kidney function, surgery can be considered; 2. At the same time, patients with kidney cyst should pay attention to eating less animal offal, seafood, etc., because these foods will increase the burden on the kidneys and aggravate the kidney damage. You can eat moderate amount of high quality animal protein, such as chicken, duck, fish, eggs, milk, etc., but the amount should not be too much; 3, to try to prohibit the use of drugs that are harmful to the kidneys and have toxic side effects, such as quinolone antibiotics or non-steroidal analgesics; 4, eat less food with high salt content, such as pickles, salted fish, salted meat, etc.. Because these foods can cause water and sodium retention, which can aggravate the symptoms of kidney cysts; 5, pay attention to rest, avoid exertion and cold.