Callus is a common term for callus, the appearance of small toes on the outside of the long callus pain can take general treatment, drug treatment, physical therapy and other ways to alleviate the condition. 1. General treatment: usually should keep feet clean, soak feet, soften the keratin, wear loose comfortable shoes, avoid friction and extrusion of the affected area. 2. Medication: External use of salicylic acid cream, retinoic acid cream and other keratolytic agents to soften the keratin, accompanied by pain can be oral painkillers. 3. Physical therapy: to achieve rapid results, you can also take such as electrocautery, liquid nitrogen freezing and other physical therapy, by destroying the callus on the keratin tissue to achieve the therapeutic purpose. If the callus on the outside of the toes, must first come to the dermatology department to clearly diagnose, and then choose the treatment program.