Finger morning stiffness is commonly associated with two diseases, rheumatoid arthritis and osteoarthritis, the details are as follows: 1. Rheumatoid arthritis: rheumatoid arthritis is a systemic disease that can involve multiple systems and organs throughout the body, mainly manifested as generalized symmetrical multi-joint swelling and pain, accompanied by morning stiffness, and the time is often more than an hour. In addition to joint involvement, it is often combined with damage to other organs, more commonly the lungs. A significant proportion of patients with rheumatoid arthritis have interstitial lung fibrosis, and in severe cases, chest tightness and shortness of breath, which worsens after activity. Rheumatoid arthritis is currently mainly treated with immunosuppressants or biologics for long-term maintenance. 2. Osteoarthritis: Osteoarthritis can also occur with morning stiffness of the hands, although the time is often within an hour, and joint deformation rarely occurs. Osteoarthritis is mainly symptomatic treatment, more commonly used is non-steroidal anti-inflammatory drugs, usually you can also eat to improve the condition of drugs, such as glucosamine sulfate or diacetin.