Thigh itching more and more itchy scratching is often seen in eczema, contact dermatitis, pruritus, ringworm and other diseases, should be for the disease to choose the appropriate drug therapy, such as glucocorticoids, antihistamines, etc.. 1. Eczema: local oozing, external boric acid solution, potassium permanganate solution and other wet compresses; no oozing lesions, external glycerine lotion, mometasone furoate ointment and other treatments; serious condition, oral glucocorticoid therapy, such as prednisone, etc.; if necessary, oral antihistamine to stop the itching, such as chlortetracycline, cetirizine and so on. 2. Contact dermatitis: you can use topical phenol or menthol and other drugs to stop itching; oozing, external boric acid solution cold wet compresses; itching is serious, oral antihistamine treatment, such as loratadine, benadryl, etc.; lesions are extensive, oral glucocorticosteroid treatment, such as hydrocortisone. 3. Pruritus: if the itching is obvious, external antipruritic agent treatment, such as glycerine lotion, etc.; also external immunosuppressant treatment, such as tacrolimus ointment, pimecrolimus cream, etc.; when the symptom is serious, oral antihistamine treatment, such as benzydamine, cetirizine and so on. 4. ringworm: this disease is mainly caused by fungal infection, can be used externally antifungal drug treatment, such as ketoconazole ointment, terbinafine cream, etc.; the effect of external drugs is not good, oral antifungal treatment, such as itraconazole and so on. It is recommended that patients go to a regular hospital dermatology consultation, after a clear diagnosis, follow the doctor’s prescription medication, not blindly self-medication, so as not to delay the condition.