There are two common causes of toe stitching: 1, fungal infection: foot fungus, it is caused by dermatophyte infection, generally good to occur in the 3rd-4th and 4-5th toe between the maceration, whitening, patients will have obvious symptoms of itching, but also in the toe red papules, blisters or hyperkeratosis, desquamation, etc., after a clear diagnosis need to go to the hospital to do fungal laboratory tests. The treatment can be topical antifungal drugs, such as terbinafine cream or naftifine ketoconazole cream, etc., generally after the rash subsided need to consolidate treatment for at least a week. 2, dip: dip because the foot is often soaked in water, or in a humid, stuffy environment, for dip, keep the foot dry, ventilated and breathable, can gradually ease.