The small bumps inside the finger cracks, consider and hand eczema, sweat herpes, ringworm, etc., can choose topical medicine, oral medication, home care and other ways to relieve. 1. hand eczema: hand eczema and contact with allergens related, so there will be finger cracks have small bumps along with itching symptoms, can be applied through the topical glycerine lotion, can achieve the role of itching and astringent, lesions secondary bacterial infection, can be used externally with erythromycin ointment, fusidic acid cream and so on. 2. Sweat herpes: If the small bumps on the finger cracks are accompanied by itching and sweat herpes, you can choose to take oral loratadine to relieve itching, and if necessary, you can use glucocorticosteroid drugs such as prednisone, short-term application of the effect is good, and the external application of urea can prevent recurrence. 3. ringworm: this is due to dermatophytes caused by the disease, and fungal infections, you can choose miconazole, ketoconazole drug treatment. At the same time, patients also need to pay attention to personal hygiene, to avoid long-term immersion of the hands in water. It is recommended to use drugs under the guidance of a doctor, not blindly self-medication, so as to avoid adverse effects.