Pepper in water may have an auxiliary effect on the treatment of synovitis, but there is no therapeutic effect, the patient should also cooperate with the doctor for drug treatment. Synovitis is a kind of multiple bone and joint disease, mostly seen in elderly patients, mainly in the knee joint, hip joint and other parts of the joint degenerative disease, trauma, viral infection, rheumatism and other reasons can lead to synovitis. In clinical treatment, medication, physical therapy, surgery, etc. are usually used. Pepper has the effect of warming the meridians and dispersing cold (warming the meridians of the human body to get rid of the cold in the body), relieving pain, killing insects, etc., soaking water can relieve the symptoms of synovitis pain, but the simple application of pepper to treat synovitis, the effect is not good. Synovitis patients should be standardized treatment under the guidance of a doctor, if the treatment method is not appropriate, may aggravate the symptoms and affect the joint activities.