Prevention and health care: (1) In laundry, cooking, knitting sweaters, cleaning and other household chores, pay attention to the correct posture of the fingers and wrists, do not bend or stretch back excessively; do not carry items too heavy; do not exert too much force on the fingers and wrists. (2) continuous work time should not be too long, after work, to rub rub fingers and wrists, and then bubble hands with hot water. (3) when washing clothes in winter, it is best to use lukewarm water, snow after snow sweeping, but also to wear cotton gloves to prevent the hands from getting cold. (4) For long-term ambulatory office workers, they should adopt the correct working posture, try to make the hands balanced, the wrists can reach the object, do not hang. Treatment: (1) External washing and application of Chinese medicine; (2) Local closure; (3) Small needle knife; (4) Surgery.