Homocysteine is normalized and can be discontinued under the supervision of a physician, but the blood homocysteine should be monitored, and the medication needs to be resumed if it rises again. Hyperhomocysteinemia can be diagnosed when homocysteine is greater than 10 μmol/L in the general adult population. This disease is a metabolic disease that may be associated with cardiovascular and cerebral vascular diseases, tumors, hypertension, and so on, and there is a familial clustering of elevated levels of this indicator, but it does not belong to the family hereditary disease. In the treatment, through lifestyle intervention and drug therapy, the former is mainly to quit smoking and alcohol, to ensure a regular routine, reasonable diet, moderate exercise, etc.; the latter can also be called nutritional therapy, supplementation of folic acid, natural betaine, vitamin B2, vitamin B6, vitamin B12, to jointly lower blood homocysteine. However, avoid large doses of folic acid supplementation. Regularly review blood homocysteine, folic acid, and vitamin B12 during the medication period.