Blood viscosity is also known as blood viscosity. Middle aged and elderly people are prone to it, which can be diagnosed by hemorheological examination. Foods rich in fat, such as meat, as well as biscuits, cakes, fruit juice and other foods containing a lot of sugar will increase the body's neutral fat. The sugar consumed in the body's metabolism will not only accumulate in the liver and become neutral fat, It will also increase the neutral fat in the blood and make the blood become thick. Therefore, most of the patients with thick blood are accompanied by hyperlipidemia, and they need to actively take medication to reduce blood lipid to prevent the occurrence of cerebrovascular diseases. The first type of treatment for hyperlipidemia is statins, such as simvastatin, lovastatin, etc., which is mainly targeted to reduce cholesterol, and the second type of beta is mainly to reduce triglycerides, take drugs, and pay attention to the review of liver and kidney functions in three months, If there is no exception, it can be used for a long time. At the same time, avoid high-fat foods, such as animal viscera, egg yolk, egg chocolate, fat fried foods, cake snacks, fried dough sticks, and spicy condiments, such as tobacco and wine. Eat more vegetables and fresh fruits rich in protein, and eat a moderate amount of lean meat, fish, chicken, and bean products.