The three types of people who cannot eat fava beans mainly include people allergic to fava beans, fava bean disease patients and purine metabolism disorders, these three groups of people who inadvertently consume fava beans, may cause adverse effects on the body, prone to induce disease or aggravate the original symptoms, therefore, the daily diet requires more attention, try to avoid eating fava beans. 1, fava bean allergy: people allergic to fava beans in the consumption or contact with fava beans, fava bean powder, can occur Allergic reaction, a series of skin lesions, such as local erythema, papules, swelling, pain, itching, etc., serious cases can also appear fever, headache, and even respiratory distress and other symptoms, should promptly consult a doctor for diagnosis and treatment; 2, fava bean disease patients: prevalent in children after the first contact with fava beans, and congenital erythrocyte glucose-6-phosphate dehydrogenase deficiency, eating fava beans, fava bean products or contact with fava bean pollen, can cause The onset of the disease, acute hemolytic anemia, can be manifested as fever, abdominal pain, nausea, vomiting, jaundice, anemic appearance, soy sauce-colored urine, etc., there is a certain self-limiting, if the symptoms are serious also need to seek medical attention as soon as possible; 3, purine metabolism disorders: fava beans in the purine content is high, the body purine metabolism disorders of hyperuricemia and gout patients should avoid eating fava beans, so as not to aggravate the disease. In addition, fava beans are not easy to digest, is a gas-producing food, should avoid raw food, poor gastrointestinal function of the population, such as indigestion, digestive tract diseases, etc., should also minimize consumption, so as not to cause gastrointestinal distention and other adverse effects.