The precautions after renal cyst puncture include: firstly, after renal cyst puncture, patients are recommended to take bed rest, but if patients have no uncomfortable symptoms, they can also get out of bed appropriately. Secondly, if hematuria occurs after renal cyst puncture, it is recommended that the patient absolutely rest in bed. If the hematuria can turn pale, dynamic observation, if the color of hematuria is darker, and there is a drop in blood pressure or increase in heart rate, it is necessary to pay attention to the situation, this time there may be kidney injury, if necessary, feasible renal arteriovenous embolization or blood transfusion, hemostasis and other symptomatic treatment. Thirdly, the eye of the needle after renal puncture should avoid water or contamination, so as not to cause infection and other postoperative complications. Fourthly, after renal puncture, patients are advised to avoid eating spicy and stimulating food and choose light diet.