The treatment of minor frostbite from dry ice includes flushing the wound with water, disinfecting and treating the wound, and then going to the emergency department or burns department of a regular hospital to treat the wound. 1. Wash the wound with water: dry ice is solid carbon dioxide, the temperature is minus 78.5 degrees Celsius, direct contact with the skin is easy to cause frostbite, in the event of minor frostbite, we should quickly move away from the dry ice, move to warm dry air, and then soak in warm water at about 40 degrees Celsius to rewarm the wound. 2. Wound treatment: Pay attention to the use of iodine povidone to disinfect the wound, and then use frostbite cream to apply to the wound to prevent further damage to the skin. It is also necessary to actively anti-infective treatment to avoid secondary infection, commonly used anti-infective drugs, including erythromycin ointment, etc.; if the pain is more intense, you can temporarily use ibuprofen for pain relief. 3. Timely medical treatment:After simple treatment, it is best to send to the hospital in a timely manner, under the operation of a professional doctor, treatment, to reduce the damage to the skin. It is recommended that the patient was frostbitten by dry ice, timely to the regular hospital emergency department or burns department to receive, under the guidance of specialists to deal with trauma, regular medication, while paying attention to the protection of trauma so as not to cause secondary damage to the skin.