The toes have corns, usually due to friction, corns can be treated in the following ways: 1, corns paste: the use of corns paste for external paste, generally 3-5 days to change the medication once, before changing the medication needs to remove residual drugs, hot water or potassium permanganate soak feet, carefully scrape off the softened keratin, and then paste the corns paste, repeat treatment until they fall off. 2, ointment external: you can also use 10% – 15% salicylic acid ointment, or fluorouracil ointment topical treatment. 15% salicylic acid ointment, or fluorouracil ointment topical treatment. The first thing you need to do is to remove the residual medication before each change, after soaking your feet in hot water, digging to soften the waste keratin, you can also use adhesive tape to protect or seal the treatment, after covering the medication, then fix it with adhesive tape, you can also use salicylic acid ointment, change the treatment until the corns fall off completely. 3, laser, cryotherapy: If the effect of other treatments is particularly poor, the effect of topical medication is not good, you can consider laser or cryotherapy. Laser or cryotherapy can be considered.