You can't eat it before it's cooked. Fresh kidney beans contain saponin and hemagglutinin, the former is in the epidermis of pods and the latter is in beans. Raw or undercooked food is easy to be poisoned. The toxic substances in kidney beans are easily soluble in water, not resistant to high temperature and non-toxic after cooking. \x0d\ Poisoning symptoms are mainly enteritis, such as nausea, vomiting, abdominal pain, abdominal viscera, watery stool without purulent blood. Vomiting times ranged from several times to 10 times. Most of the poisoned people have numbness of limbs, burning sensation in the stomach, palpitation and backache. In addition, there are nervous system symptoms such as dizziness, headache, chest tightness, cold sweat and chills. The course of kidney bean poisoning is short, and it usually takes 1 ~ 2 days, or even several hours to recover in summer. \x0d\ Kidney bean poisoning treatment is as follows: \x0d\( 1) Patients with mild poisoning only need to lie still and rest, drink plenty of boiled water, sugar water or strong tea water, and take sedatives such as diazepam and hypnotics if necessary. \x0d\(2) Patients with severe poisoning should be sent to hospital for treatment in time if they repeatedly vomit, resulting in dehydration or hemolysis. \x0d\(3) The folk prescription uses appropriate amount of licorice and mung bean soup as tea, which has certain detoxification effect.