The severity of right subclavian artery plaque cannot be judged simply by the size of the arterial plaque, but by the degree of narrowing of the arterial lumen caused by the plaque and whether it affects the blood supply of the body. Right subclavian artery plaque is the right subclavian artery blood vessels, atherosclerotic plaque, should be promptly to the hospital for examination, if the plaque caused by the subclavian artery stenosis of 75% or less, and did not appear obvious symptoms of discomfort, this situation is not serious, do not need to worry too much about it, take relevant drugs such as statin drugs, and regular review can be. When the stenosis of subclavian artery caused by arterial plaque is more than 75%, this situation is more serious, and it is easy to cause ischemic disease, and with the development of the disease may cause cardiovascular and cerebrovascular disease, which needs to be treated by implanting a stent through surgery under the guidance of a professional doctor. When patients have arterial plaques, they should go to the hospital in time to confirm the severity of the diagnosis and carry out targeted treatment to control the development of the condition as soon as possible, to prevent continuous deterioration, resulting in serious adverse consequences.