The healing time of third-degree burns without skin grafting is related to the degree of burns, the area, and the treatment measures taken, and needs to be analyzed on a case-by-case basis. Third-degree burns are serious burns, in which the whole layer of skin including subcutaneous fat, tendons and muscles are damaged. If the damage area is small, promptly go to the hospital burn department, by the doctor to disinfect the wound, clean and remove part of the necrotic tissue, apply foam anti-infection medicine and then use gauze bandage, after paying attention to care, regular change of medicine, usually can be without skin implants, may be about 1-3 months to recover. However, if the scalded wound is large, it needs to be treated with surgical skin implant in time. The local wound cannot be healed by simply adopting the non-surgical treatment of bandage or exposure. After the third degree burns are treated by professional doctors, the affected area needs to be kept clean and dry to prevent the occurrence of infection. Pay attention to diet and nutrition and ensure sufficient rest to facilitate recovery.