The heel is not cracked but the inside is very itchy, may be related to the foot fungal infection, the initial stage of infection is mainly manifested as flaking, itching. The common infection fungi are red trichophyton, trichophyton mustache, etc., the initial stage of infection is mainly manifested as infection site intense itching, flaking, blisters and other lesions, if you do not get timely treatment for a long period of time, it is easy to lead to the local scales, skin thickening, vesiculation, oozing and other symptoms; foot fungus treatment is based on the antifungal, you can use terbinafine gel, nitrate miconazole cream, such as topical rubbing. If the course of the disease is longer, the symptoms of external drug treatment can not be completely relieved, you can also take oral antifungal drugs, such as itraconazole, fluconazole and other joint treatment. Usually keep your feet clean and dry, wear loose and breathable cotton socks and shoes. The heel is not cracked, but the inside is very itchy, if the symptoms continue to be unable to alleviate, it is recommended to go to the hospital in time for treatment.