The abbreviation for homocysteine is: Hcy. serum homocysteine is a blood test for patients with hypertension, and is associated with a higher risk of stroke, which can indicate a higher risk of stroke. in clinical practice, doctors routinely screen for serum homocysteine in patients with high blood pressure. High cysteine is associated with a lack of folic acid in the body. For hypertensive patients with elevated homocysteine levels, folic acid tablets can be applied to treat and maintain for a long period of time, which can avoid the occurrence of coronary heart disease or cerebral infarction. Usually eat more seasonal vegetables and fruits, such as vegetables and fruits containing vitamin A, vitamin C content is relatively rich. Do not stay up late, pay attention to rest, appropriate to participate in some aerobic exercise. For example, jogging, tai chi, swimming, climbing, etc., which can improve the patient’s heart function.