Liquid nitrogen freezing for corns is not good once, you can be treated again, or you can change to other ways of treatment. Corns are related to the local skin being squeezed and rubbed for a long time, resulting in the local appearance of yellowish or dark yellow limited keratinous growths, and there will be obvious pain when pressed. It is recommended to remove the causative factors, use topical corns cream, salicylic acid, or through laser, liquid nitrogen freezing and other ways of treatment. Liquid nitrogen freezing is a method of eliminating thickened keratin by freezing the lesion at a very low temperature to cause necrosis and shedding. If the corns are deep, a single treatment, may not be a good treatment, it is recommended that multiple treatments in conjunction with your doctor’s advice can help remove the corns. If necessary, other treatments can be used, such as laser light on the area, to eliminate the thickened keratin. Surgery can also be used to remove the corns completely if they are large and have deep roots. Liquid nitrogen freezing for corns is not good once, it is recommended to go to the dermatology department of the hospital in time. Can be combined with the doctor’s advice, given topical drugs, physical therapy or through surgical treatment.