Kidney cyst is a kind of intractable abnormal cystic lesions especially Polycystic Kidney Disease, which belongs to hereditary disease that is caused by gene deletion or mutation that 70% ~ 90% appears with bilateral cyst of different sizes in renal parenchyma. A mass of symptoms will appear with its long-term disease course, which further leads to cyst rupture because of the increase of its number and size, thus worsening current situation. Integration of Chinese medicine and western medicine would be a good choice for this disease. When treating renal cyst, Chinese doctors will take everything into consideration, including the following conditons.

1. The cyst can be since birth or congenital due to obstruction of the kidney tubules.
2. They can be acquired after birth.
3. Parasitic infestation as that of a tape worm may be responsible for a renal cyst.
4. Complex renal cysts are also present in chronic renal failure.
5. People above the age of 50 years.
6. Persons undergoing dialysis repeatedly are at a greater risk for getting complex renal cyst. It can be peritoneal dialysis or hemo dialysis.
6. Complex renal cyst is present in polycystic renal disease, medullary cystic disorder and medullary sponge kidney disease.
7. Complications include renal cancer, anemia, and progressive damage to the kidney leading to its failure.