The dangers of hammer finger without surgery include finger pain, swelling, and limited movement of the fingertips. In hammer finger, the tendons of the finger can be damaged or torn, resulting in pain, deformity, and limited movement. The typical symptom of Hammer finger is a curved tip of the finger, and if the patient does not undergo surgery, the curvature of the finger may continue to worsen for the rest of his or her life. If not treated promptly, the curvature of the finger may continue to worsen for the rest of the patient’s life. Limitations in finger movement, especially at the tip, may also occur, and in severe cases, the finger may not be fully straightened, resulting in deformity of the finger. If you are diagnosed with hammertip, you should consult a doctor and seek treatment without delay. Pay attention to rest on weekdays, quit smoking and drinking, and avoid excessive use of hands.