If a woman is diagnosed with kidney cyst, the treatment options are as follows: 1. Ultrasound examination if it is a single kidney cyst and the maximum diameter is less than 4cm. If the patient does not have any conscious symptoms, clinical observation is recommended. If the patient has intermittent symptoms of lumbar distress, lumbar distension and discomfort, and the clinical examination confirms that it is related to renal cyst, then it is recommended to perform renal cyst puncture and fluid extraction under the guidance of ultrasound and inject sclerosing agent for treatment. 2. If it is a single renal cyst with a volume of more than 4cm, which affects the kidney or impairs renal function, and the patient has symptoms of lumbar pain and lumbar distress, it is recommended to perform surgery. The surgery can be laparoscopic renal cyst decompression surgery or open surgery renal cyst decompression surgery. 3, if it is a multiple renal cyst, the possibility of polycystic kidney should be considered, polycystic kidney is a genetic disease, once diagnosed lifelong development will, irreversible damage to the kidney. It is recommended to puncture the larger cysts and pump fluid to reduce the pressure on the kidney and restore the damaged kidney function, and to do annual ultrasound examination of the kidney. If the cyst continues to increase, repeated puncture and fluid extraction can be performed to achieve the purpose of decompression.4. A special type of renal cyst called cystic kidney cancer, which is secondary to the long-term development of renal cysts due to malignant lesions. If a kidney cyst is suspected of malignant change, it is recommended to actively undergo surgery without observation and waiting to avoid losing the chance of surgery.