Finger bending and straightening with spring feeling, consider is due to tenosynovitis, osteoarthritis, gouty arthritis and other causes. 1. Tendovaginitis: when the fingers are frequently extended and flexed, it will cause aseptic inflammation and edema of the tendon and tendon sheath, and then the wall of the fibrous sheath will be thickened to form a narrow ring, and at the same time the tendon will be thickened and fibrotic, which will result in difficulty in moving the tendon within the tendon sheath, and there will be a spring sensation in the bending of the fingers, which may be accompanied by a popping sound. 2. Osteoarthritis: it is caused by degenerative joint disease, mostly seen in elderly patients. Patients will have degenerative damage of articular cartilage, accompanied by synovial inflammation, joint edema, and spring sensation when bending and straightening the fingers. 3. Gouty arthritis: is caused by purine metabolism disorder, uric acid in the joints and synovial tissue and joint capsule deposition formation of gout stone, in the finger bending and straightening, the joint activities will be affected to a certain extent, there will be bending and straightening with a spring feeling. It can be seen that the cause of finger bending and stretching with spring feeling more reasons, such as accompanied by pain, swelling, joint activities are significantly affected, should go to the hospital in time for further diagnosis and treatment.