Hands accidentally touching dry ice may lead to frostbite, depending on the specifics of the injury, if the injury is mild, can be treated at home with hot compresses, medication, etc., if the injury is more serious, you need to go to the hospital for treatment. 1. Mild injuries: after the hand accidentally touched the dry ice, if there is no skin breakage, you can first apply hot compresses to the local treatment, and at the same time apply mupirocin ointment on the affected area, avoid scratching the affected area with your hands, to reduce the likelihood of infection. 2. Serious injuries: The affected area after accidentally touching dry ice is large and may have deep frostbite, so you should go to the hospital immediately to receive professional treatment. Hand accidentally hit the dry ice must be made in time to make the right treatment, if the situation is not improved after their own hot compresses, medication, then you should promptly go to the hospital to seek professional help, and actively cooperate with the doctor’s treatment, the treatment process, the diet to the light for the appropriate, avoid spicy and stimulating food.