Raw bean curd contains a poisonous protein called lectin, and some bean curd contains "saponin", these two toxins can be broken down and destroyed in high temperature, and if you eat half raw half cooked bean curd will cause poisoning. Poisoning is light, after vomiting and diarrhea without treatment can also be self-healing. But because there is no specific drug for bean curd poisoning, the poisoning of heavy, in addition to vomiting, diarrhea, gastric lavage, can only be sent to the hospital rescue, but less hope of escape.