Fava bean disease and abo hemolytic disease may develop together only if they are suffered at the same time, but it should be noted that these two diseases do not belong to the same category and will not develop without the disease. 1. Fava bean disease: Fava bean disease is erythrocyte glucose-6-phosphate dehydrogenase deficiency, is a hereditary hematologic disease, manifested by the consumption of fresh fava beans after the sudden occurrence of acute intravascular hemolysis. Severe cases can appear soy sauce color urine and anemia symptoms, severe shock, cardiac and renal failure, severe hypoxia can appear eye fixed deflection. 2. ABO hemolytic disease: ABO hemolytic disease is the most common type of hemolytic disease caused by the incompatibility of mother and baby’s blood type, the cause of this disease is the mother’s blood type O, while the fetus’s blood type A or B. This disease means that the fetus receives the mother’s immune antibody of the same family and develops the disease, and the fetus has immune susceptibility to the mother’s antibody and leads to the disease. It is recommended that once the diagnosis is confirmed, active treatment should be carried out and the condition should be closely monitored, according to the doctor’s instructions.