Blue oil essence is a kind of burn ointment. For minor burns in a small area, you can use burn ointment on the market or blue essential oil burn ointment. However, for large-scale burns or deep burns, it is best to go to a local regular hospital for face-to-face consultation, and a specialist will handle the wound. Iodophor can be used for disinfection, debridement and dressing change with antibacterial ointment to prevent wound infection.