Itchy and ulcerated finger stitches are mainly considered two conditions of ringworm and scabies, which are usually treated by topical or oral medication. Ringworm is a dermatophyte infection of the hands, usually should pay attention to keep the hands dry and clean. Treatment is mainly with topical antifungal drugs such as terbinafine and ketoconazole. It is important to note that if the nails or multiple other parts of the body are involved, you should go to the dermatologist for evaluation, combined oral antifungal drugs such as itraconazole treatment, pay attention to the protection of trauma, there are ulcers and oozing can be used to apply a wet compress of boric acid solution. Scabies is a skin infection caused by the parasitic mite scabies, and is most commonly found on the fingers, armpits, and genitals. The treatment of deworming is relatively simple, commonly used in China, sulfur ointment external coating or encapsulation, severe itching, the use of antihistamines, such as loratadine, etc., the emergence of ulcerated ooze can also be used boric acid solution or lactic acid isacridine solution. Finger itching and ulceration should be timely consultation, follow the doctor’s instructions for treatment, do not self-medication, to avoid delaying the condition.