High homocysteine and atherosclerosis are closely related, generally can eat walnuts, walnuts are mainly unsaturated fatty acids, moderate consumption usually does not lead to aggravation of symptoms. Homocysteine is an amino acid metabolite, which can be eliminated by metabolism. The accumulation of homocysteine in the body can easily lead to the development of atherosclerosis. The corresponding index is high, should control the diet, especially pay attention to control the intake of cholesterol. Walnuts themselves mainly contain unsaturated fatty acids, can be eaten, will not cause related symptoms to worsen, but should be moderate, not too much consumption. Once high homocysteine level is detected in the body, early medical observation should be made and regular medication should be administered under the guidance of the clinician to prevent atherosclerosis from developing and affecting the blood circulation of the body.