Fava beans are not recommended for children under 5 years of age. Children do not necessarily develop fava bean disease or experience any other discomfort when they eat them, but they are not lucky every time, and some children have been known to trigger fava bean disease every time they take fava beans. Fava bean disease mostly occurs in children under 5 years of age or tested for G6PD deficiency, and eating fava beans in children can also trigger an attack of fava bean disease, so it is recommended that children do not eat fava beans. Fava bean disease is a hereditary disease caused by glucose-6-phosphate dehydrogenase deficiency. Most children will develop the disease after eating fava beans for 1-2 days, resulting in abdominal distension, nausea, vomiting, dizziness, acute hemolysis and other systemic discomforts, and in severe cases, there will be a life-threatening drop in blood pressure, confusion, weak pulse, pallor, and soy sauce-colored urine. Fava bean disease and eating the amount of fava beans has no relationship, even a small amount of fava beans can cause fava bean disease, in order to avoid children to cause fava bean disease, so it is not recommended for children to eat.