Writing finger calluses are generally caused by excessive friction, can be eliminated through medication, physical therapy and other ways. 1. medication: through the finger calluses in the place of the application of keratin peeling effect of drugs, such as 5% of the salicylic acid ointment and 20% of the urea ointment, prompting the finger calluses slowly become soft and thin, and gradually peeled off, to restore the normal skin condition. 2. Physical therapy: if necessary, you can take the method of liquid nitrogen freezing, the use of liquid nitrogen cryogenics, so that the callus on the finger tissue cell necrosis, scab, and ultimately fall off. Professionals need to operate, do not operate on your own, so as not to cause frostbite or blisters. It is recommended that patients should pay attention to the normal life of good hand protection, to avoid a part of a long time repeated friction, if necessary, to the hospital, follow the doctor’s instructions for treatment, do not self-medication or operation.