Small clear hard spots on the fingers may be pitting keratosis, sweating herpes, herpes simplex, tinea cruris, etc., which should be promptly consulted to find out the cause. 1. Pitting keratosis: Abnormal keratosis that occurs in the finger area can lead to the symptom of small clear hard spots on the fingers. 2. Sweat herpes: small transparent blisters, etc. may appear, accompanied by itching and flaking after drying up, mostly due to allergic reactions caused by contact with laundry detergent, washing powder, rubber, plastic, cement and other chemicals. 3. Herpes simplex: due to decreased immunity and viral infections, there may be transparent raised dots or blisters distributed in clusters. 4. Ringworm: ringworm is a superficial fungal infection of the skin of the hand caused by dermatophytes, which can be transmitted through direct contact or indirect contact, and can lead to the appearance of patients with small transparent dots inside the skin of the fingertips hardness, and there will be itching, dandruff, and localized keratinization and thickening of the phenomenon. If there are small transparent hard spots on the fingers, timely consultation, by the doctor to clarify the cause of the disease, give targeted treatment.