The reduction of synovial fluid can cause the following effects: first, synovial fluid has the role of lubrication of articular cartilage, nutrition of articular cartilage, such as the reduction of synovial fluid, the lack of lubrication of the joints to make articular cartilage wear and tear aggravated, and at the same time the lack of nutrients in the articular cartilage will also cause degenerative changes in the articular cartilage, which ultimately leads to secondary damage of articular cartilage, which can cause osteoarthritis, which will lead to joints with inversion and ectropion deformity; Secondly, synovial fluid can also lubricate and nourish meniscus, such as synovial fluid reduction, meniscus lack of nutrients will degenerate, in the joints of the weight-bearing activities by the extrusion, can occur meniscus injury, serious meniscus tear, joint strangulation symptoms, so it can be seen that the reduction of synovial fluid on the joints will cause serious adverse effects.