Liquid nitrogen freezing of plantar warts is usually followed by a gradual recovery in 2 to 3 weeks, but may take longer if accompanied by an infection. Plantar warts are common warts that occur on the soles of the feet, often caused by human papillomavirus infection, and can be removed by liquid nitrogen freezing. Generally after liquid nitrogen freezing, because the low temperature causes lesions, tissue necrosis, and affects the local blood circulation disorder, will lead to local blisters, blisters need to have drying, scabs, and the process of shedding, usually about 2 to 3 weeks will be scabbed off to recover. However, there are some patients who do not pay attention to the local care after liquid nitrogen cryotherapy, tearing off the scabs and causing infections, which may affect the recovery and take a longer time. After liquid nitrogen cryotherapy, you must pay attention to local care, do not touch water too soon, avoid tearing off the scabs, and go to the hospital for follow-up if necessary.