Flushing blood vessels is not good and is not recommended clinically. Flushing blood vessels is to improve blood viscosity by dilating blood vessels or improving circulation, in fact, this idea is wrong, the infusion process may aggravate the burden on the heart, which can cause respiratory, heart failure or liver and kidney failure, which can not play a good role, but will aggravate the condition. Frequent flushing of blood vessels may damage blood vessels and destroy the self-purifying function of blood vessels. Regarding the prevention of cardiovascular and cerebral vascular diseases, it mainly relies on long-term medication and daily dietary guidance to have a scientific lifestyle, low-salt and low-fat diets, avoiding spicy, stimulating and greasy foods, and proper exercise to accelerate metabolism. Clinically it is not recommended to flush blood vessels, if cardiovascular and cerebrovascular disease occurs, it should be timely medical treatment, under the guidance of the doctor.