The best way to deal with flat warts after freezing, flat warts is a kind of human papillomavirus infection caused by the skin flat benign redundancy, if the blisters are small can use anti-inflammatory ointment and wait for the self-subsidized, if the blisters are larger, then you need to seek medical attention to draw out the liquid inside the blisters. 1. Smaller blisters: Smaller blisters can be coated with anti-inflammatory ointment such as erythromycin ointment according to the doctor’s instructions and wait for them to subside on their own, and be careful not to squeeze them with your hands, so as not to cause infections or leave scars. 2. Larger blisters: Larger blisters can be treated by a doctor, who will sterilize the skin and use a sterile syringe to suck up the liquid inside the blister, while still keeping the skin intact. Be careful to try not to touch water during this time to avoid infection. It is recommended to go to a regular hospital to deal with blisters after flat warts cryotherapy, do not use your own medicine to avoid abnormalities.