If a child with fava bean disease is in good health, e.g., no fever, diarrhea, or infection, he or she can receive the vaccination. However, they should go to a vaccination station or hospital, and they should be informed by the medical staff before receiving the vaccination, and it should be determined by the medical staff on the spot. Crohn’s disease is a hereditary disease, but in normal circumstances there is no difference with ordinary children, only avoid triggers, avoid exposure to oxidizing drugs, and heavy infections, or exposure to mothballs, stinky pills, to prevent the onset of the disease.