Patients with kidney stones can eat peanuts in small amounts, but it is not recommended to eat large amounts. The main component of kidney stone patients is calcium oxalate, usually combined with hyperoxaluria, need to avoid the intake of food rich in oxalic acid, peanuts are rich in oxalic acid, if too much intake of peanuts will lead to the patient’s hyperoxaluria more serious, for the body of kidney stone patients is not good. When patients consume a lot of peanuts and drink less water, the solubility of cystine will be reduced accordingly, and it is easy to form cystine stones in the renal pelvis and calyces. In summary, it can be seen that patients with kidney stones should not consume large amounts of peanuts, it is recommended that patients should try to avoid the intake of high oxalic acid foods in their daily lives, such as beets, almonds, black tea, spinach, etc., and should also try to avoid the intake of high calcium foods.