The causes of fingertip pain involve a variety of conditions such as exertion, trauma, nerve compression, poor peripheral circulation, and inflammation. 1. Exertion: Finger tip pain is caused by long hours of keyboarding, housework, etc., and can usually be recovered after rest. 2. Trauma: common injuries include pressure injuries, fall injuries, etc., which are characterized by obvious pain accompanied by redness and swelling. 3. Inflammation of the nail groove: Inflammation caused by strong extrusion, improper nail trimming, etc., resulting in fingertip pain, redness and swelling with pus. 4. Peripheral neuritis: it can be caused by overwork, infection, malnutrition, heavy metal poisoning and so on, manifested as fingertip pain, numbness, insensitivity to activities and so on. 5. Nerve compression: mainly refers to cervical spondylosis, frozen shoulder, carpal tunnel syndrome, etc., due to compression of the nerve root causing tingling or numbness of the fingertip. 6. Others: Osteoarthritis, rheumatoid arthritis, gouty arthritis, etc. can release inflammatory mediators, which can also cause fingertip pain. In addition, hemangioblastoma that occurs in the fingertips can cause significant pain when touched. Fingertip pain has more causes, if the fingertip pain continues to worsen, it is recommended to consult a doctor as soon as possible, under the guidance of the doctor for targeted treatment.