Fava bean disease is a genetic disease, mainly due to glucose-6-phosphate dehydrogenase deficiency, which is manifested by the consumption of fava beans and can easily cause hemolytic anemia. The specific mechanism of hemolysis is unknown, and the disease can develop when the patient ingests fava beans, accounting for about 70% of children under 3 years of age and 90% of males in the epidemiology. The typical clinical symptoms of patients are hemolysis, mild yellow sclera, urine color such as tea-red or even soy sauce, general malaise, weakness, dizziness, anemia, decreased blood pressure, oliguria, and acute renal failure within 1-2 days of eating fresh fava beans, and patients should go to the hospital for diagnosis and treatment when the above symptoms occur.