Warts refer to common warts, flat warts and other human papilloma virus infection caused by a skin proliferation of disease, in the removal of the following ways: 1, liquid nitrogen removal method, is the application of liquid nitrogen to make warts necrosis, fall off. However, during the treatment process, it may cause blisters, necrosis. If there is a larger blister, it should be treated with sterile syringe to draw blisters under good sterilized conditions. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things. The patient needs to be explained in detail before the treatment.