Uncooked lentil horn is poisonous. Raw lentil horn contains erythrocyte agglutinin and saponin toxin, if cooking heating is not thorough, the toxic components are not destroyed, consumption can cause poisoning, mainly manifested as nausea, vomiting, abdominal pain, numbness of the limbs, stomach burning sensation, panic, back pain and so on. So the lentil horn must be cooked before eating, even if the consumption of cold beans, but also to the first lentil horn cooked before eating. Once the lentil poisoning to vomit as soon as possible, quickly drink a lot of water or saline, and then use the fingers to pick the throat to let it naturally vomit, and then promptly consult a doctor to give symptomatic treatment to prevent the emergence of shock and other more serious poisoning phenomenon.