Ringworm on the feet and very itchy may be tinea pedis, psoriasis, patients can take oral or topical medications for treatment, as follows: 1, tinea pedis, you can take oral terbinafine hydrochloride tablets and topical naftifine ketoconazole ointment, usually treated for 0.5-1 month. This disease is due to the local environment is stuffy and humid, resulting in fungal breeding and infection; 2, psoriasis, you can take oral anti-silver granules with compound glycopyrrolate tablets, and apply topical carbofuran triol application, tacalcitol application. Those with unsatisfactory results can apply dextran ointment 2 times/day. This disease is mainly caused by genetic, immune disorders, trauma and other factors, and is called psoriasis in Western medicine.