Normal consumption of cooked cassava will not lead to food poisoning, eat cassava starch caused by food poisoning, often due to raw cassava starch or a large number of taking cassava starch will lead to poisoning phenomenon. Because of the cassava inside the raw cyanogenic glycoside components, can be decomposed into hydrocyanic acid, which has a toxic effect on the human body. The main cause of human hypoxia and cause damage to the nervous system, the patient will appear skin and mucous membrane cherry red state, and then appeared mouth and tongue numbness, vision, limb weakness, paralysis and so on. Eating tapioca starch poisoning should immediately go to the hospital for treatment, in the hospital mainly through oxygen and infusion treatment, can use 654-2 and other vasodilators to promote microvascular blood circulation, eliminating the symptoms of hypoxia. At the same time can assist the use of other drugs treatment, can make the patient recovery.