If the bean sprouts are not moldy or contaminated by bacteria, they are generally not poisonous. The bean sprouts are generally in accordance with the relevant tutorials to do, usually do not put catalysts and so on, the selection of beans will also be careful, will not let the moldy beans, diseased beans into the water at the same time will also pay attention to, so issued by the bean sprouts are generally not poisonous. But bean sprouts grow in a warm and humid environment, easy to mold or be contaminated by bacteria, if you eat mold or bacteria contaminated bean sprouts may be poisoned, such as nausea, vomiting, abdominal pain, diarrhea and so on. If the above discomfort occurs, you should go to the regular hospital in time, by the doctor according to the symptoms, signs and auxiliary examination to determine the condition, according to the condition to give timely treatment.