If rheumatic immune diseases are excluded, simple interphalangeal arthritis is often caused by years of interphalangeal joint activity, which is common in people who often need to do fine work by hand, such as painters, engineers, workshop workers and farmers. Repeated exercise for many years leads to muscle strain and fatigue of supporting band, which leads to instability of joint structure, wear of cartilage surface and aseptic inflammation, and then leads to inflammatory destruction of bone.

The key point of treatment and prevention is to have a full rest and give joint bones and cartilage, peripheral ligaments and muscles enough time and space to repair. Adequate rest here is not only to stop busy work, but also to avoid various activities (such as playing mobile phones, washing clothes and vegetables, taking care of children, etc.). ) Those who have changed the inflamed joints in their lives. Other oral and topical painkillers and local injection of glucocorticoid (commonly known as closed needle) can only play an auxiliary short-term anti-inflammatory and analgesic role. If there is no adequate rest, no amount of auxiliary drugs will help, and the dose is getting bigger and bigger, and the "curative effect" is getting worse and worse.