Cassava is not recommended for patients with kidney disease because kidney disease itself is an immune inflammatory response. Cassava is a food that generally has more components of the main starch, but it has been reported that cassava is toxic and may cause poisoning if consumed improperly. If the patient itself and kidney disease, it is best not to eat, because improper consumption causes poisoning, some of the toxins may affect the kidneys, renal tubules, renal interstitium will aggravate the progress of kidney disease, so it is best not just take. If you do need to consult a Chinese medicine doctor before use, because once there is toxicity, whether light or heavy, for the human body have an impact will aggravate the kidney disease process, try to avoid casual consumption.