The blisters (blisters) usually subside in about 10-20 days after liquid nitrogen freezing. How long it takes depends on the size of the blister. Regular blisters usually resolve in about 10 days, while larger blisters usually take about 20 days to resolve. Liquid nitrogen freezing is a common dermatologic treatment, clinically used for common warts, condyloma acuminatum, flat warts and some proliferative skin diseases. Liquid nitrogen freezing usually needs to be repeated several times, and too many times of freezing and thawing will cause blisters to appear around the skin, and the size of the blisters is different. Regular blisters usually dry out and flake off in about 10 days and then gradually subside. If the blisters are large and need to be punctured through a syringe, the absorption time is relatively long and usually takes about 20 days to subside. To do liquid nitrogen freezing, it is recommended to choose a regular hospital, under the guidance of a professional doctor for treatment.