Hard bumps on the fingers of different causes of different treatments, the causes include keratinization hyperplasia, foreign body piercing, tendon sheath cysts, etc., the specific treatment is as follows: 1, keratinization hyperplasia: if you consider local keratinization hyperplasia, then the patient does not need to worry too much, generally do not need special treatment. If there is obvious discomfort, you can use nail clippers for trimming, usually should reduce the friction of hard objects; 2, foreign body penetration: patients need to go to the hospital as soon as possible to the surgery, orthopedics, or emergency department, under local anesthesia to remove the foreign body, which will enable the symptoms to gradually alleviate; 3, tendon sheath cysts: this is a kind of arthritic disease, most of the cases do not need special treatment, but it should be to reduce the joints of the violent activities, at the same time, can be local hot compresses or physical therapy. Localized hot compresses or physical therapy can help reduce symptoms. If the lump is very large, and obvious pain, patients need to improve the relevant examination, surgical resection.