The first step in the treatment of corns is to remove the triggering factors such as avoiding localized extrusion and friction, followed by medication, laser, freezing and surgical excision. Toe corns are hard conical keratosis formed by long-term friction and extrusion of the skin on the toes. Therefore, when treating corns, the first thing to do is to remove the triggering factors, such as avoiding long-term friction and pressure, choosing loose and soft shoes, and avoiding walking for a long time, etc. If the pain of corns is obvious, the patient can use medicine, laser, freezing and surgery. If the pain of corns on toes is obvious, you can use corns cream, salicylic acid ointment, urea ointment and other medications as prescribed by the doctor for treatment, or perform surgery to dig out the corns. Liquid nitrogen cryotherapy can also be used to treat corns, which is less painful and quicker. Laser treatment can also be used to treat corns, and has the advantages of short operation time, small wound easy to heal. It is recommended that patients with corns on toes go to the hospital and follow the doctor’s instructions, do not blindly deal with it on their own.