Onions do not have the effect of softening blood vessels. Onions are commonly used in daily life vegetable food, containing a variety of vitamins and various trace elements, appropriate eating can supplement a variety of nutrients for the human body, but it does not have the role of softening blood vessels, can not play the value of medicinal use. The occurrence of atherosclerosis is caused by a variety of factors lead to pathological changes, age, smoking, alcohol, hyperlipidemia, hypertension, etc. will promote the development of atherosclerosis, the development of atherosclerosis is a slow process, blood vessel walls will appear organic changes, any treatment can not completely reverse atherosclerosis, can be appropriate oral medication to slow down the progress of atherosclerosis. Onion is beneficial to the human body, but does not have the role of softening blood vessels, patients with atherosclerosis should be regular treatment. It is recommended to consult a doctor in time and use medication under the guidance of a physician.