Hypothermic burns, also called low-temperature burns or hypothermic burns, are burns to the skin caused by prolonged exposure to objects that are hotter than the body temperature, usually 44-50 degrees Celsius. Low temperature burns only redness and swelling is generally difficult to self healing. Low temperature burns only redness and swelling, pre-symptomatic performance is not obvious, hidden more strong, the patient is not easy to find. When found, may have been damaged subcutaneous tissue. On the surface, the burn area may not look big, the skin lesions are not so serious, there may only be redness and swelling. However, due to the long exposure time, the wound is usually deeper, causing progressive damage from the superficial dermis to the deeper dermis, and all layers of subcutaneous tissue, so healing is slow, and most often requires surgical treatment, and it is difficult to heal on its own. Under the guidance of the doctor to carry out wound treatment, cleaning, thorough dressing, the use of drugs to promote the healing of wounds and regularly to the hospital for review, serious cases need to be hospitalized for surgery and other treatments. If the patient only has redness and swelling, it is recommended to consult a doctor in time and actively cooperate with the doctor for appropriate treatment.