Frostbite is a common inflammation of the skin related to cold in the clinic, if the patient is sure that frostbite occurs in the thigh area, the patient should strengthen the warmth of the local skin, and can apply frostbite ointment, urea vitamin E ointment, applied on top of frostbite that does not break, and can also apply erythromycin ointment applied on top of the frostbite that has occurred. In addition to applying these treatments, patients can also strengthen the local skin massage, which can improve the local blood circulation. You can also strengthen the physical exercise, strengthen the nutrition, can be on the frostbite relief, play a good effect. However, patients must note that frostbite is generally occurring on the thighs is very rare, so if the patient is not clear, their thighs in the end what disease, it is best to go to the regular hospital dermatology department to confirm the diagnosis before treatment.