Plantar warts frozen scabs can not be torn off, should be left to fall off naturally, so as not to affect the treatment, cause infection and so on. Plantar warts are a type of common warts, caused by human papilloma virus infection. Cryotherapy is a physical treatment for this disease. Usually, the scabs on plantar warts after cryotherapy should not be torn off and should be left to fall off on their own. If the scab is removed by hand, it may cause damage to the skin and secondary infection. In addition, if the warts are still there after the scabs have fallen off, another treatment is needed. During this period, patients need to strengthen skin management, avoid scratching the area and keep the affected area dry. In conclusion, patients who have been treated for plantar warts need to go to the hospital on time and cooperate with the doctor.