Callus generally refers to callus, feet long callus can be removed through medication, physical therapy and other ways. 1. medication: for patients with foot callus, you can follow the doctor’s instructions for external use of urea ointment, vitamin E ointment, salicylic acid ointment and other medications, which have the effect of softening, exfoliation, can help to remove the stratum corneum. 2. Physical therapy: including laser therapy, liquid nitrogen cryotherapy. The high energy laser of laser treatment can destroy the hyperplastic tissues, which can help to peel off the hyperplasia and achieve the purpose of removing callus; liquid nitrogen cryotherapy is to use liquid nitrogen to freeze and frostbite the hyperplastic tissues, which can help the callus to fall off. Foot long callus removal methods are not one, it is recommended that patients go to regular hospitals, with the doctor for standardized treatment.