1. common warts: the disease is mainly caused by the human papilloma virus infection of the skin mucous membrane caused by benign proliferative disease, resulting in the fingers long hard pimples, press the stinging feeling. 2. Sweat herpes: the disease is a special type of eczema that occurs in the hands, often manifested as blisters on the hands, accompanied by itching, tingling, when the blisters merge into a piece of the patient will appear fingers long hard pimples with tingling sensation, accompanied by edema, erythema and so on. 3. Folliculitis: finger long hard pimples with stinging sensation may be caused by folliculitis, mainly due to bacteria, fungi and other pathogens, often manifested in the follicle as the center of the inflammatory papules, accompanied by redness, swelling and even pus and other symptoms. It is recommended that patients with painful hard bumps on their fingers go to the hospital in time to get a clear diagnosis, and under the guidance of the doctor and according to the results of the patient’s examination, take targeted treatment.