There is no fastest or most effective way to treat corns. According to the specific conditions of corns, appropriate treatment methods can be adopted, including removing the causative factors, topical ointment, physical therapy and surgical treatment. 1. Remove the causative factors: Corns are caused by long-term foot extrusion and friction, resulting in keratin proliferation. The treatment of corns firstly needs to remove the causative factors, wear shoes with appropriate size, softness and hardness, and patients with foot deformities or diseases need to actively treat the original disease. 2. Topical ointment: you can use corns cream, corns paste, 50% salicylic acid and other drugs under the guidance of the doctor to soften the skin and eliminate the thickened keratin. 3. Physical therapy: Including liquid nitrogen cryotherapy and laser therapy, etc., the purpose is to non-surgically repair the skin in the area of corns and eliminate the thickened keratin. 4. Surgery: Surgery can completely remove the corns and is suitable for patients who have not been treated by the above conventional methods. Patients with corns should pay attention to the cleanliness and dryness of the local skin during or after treatment, avoid prolonged wetting before the skin heals, and dry the skin in time after washing the feet.