Small blisters on the fingertips accompanied by a painful sensation may be due to eczema, herpes sweats, ringworm and other causes. 1. Eczema: It is mostly caused by irritating food allergies, the presence of chronic infections in the body, or abnormal immune function, causing inflammation of the skin. Blisters appear and may be accompanied by itching and pain. Sweat blisters, a specific type of eczema. Individual constitution, contact with allergic substances, mental stress or depression, etc., causing fingers to appear hypersensitivity reaction, blisters, the emergence of infection may be accompanied by pain. 2. Ringworm: superficial skin infection of the hands caused by fungal infection, mostly seen in adults, initial skin keratinization and desquamation, blisters, itching or pain in the palm of the hand or finger joints. When there are small blisters on the fingertips with pain, it is recommended to consult a doctor in time, follow the doctor’s instructions for further examination, clarify the cause with the help of the doctor, and carry out targeted treatment or therapy.