Patients with high blood pressure can take astragalus, and the dosage should be about 20-30g each time. Because astragalus has a certain role in replenishing qi from the point of view of traditional Chinese medicine, it can replenish yin and yang at the same time, and if yang is too much, it can also cause an increase in blood pressure, so patients with hypertension should not take too large a dosage of astragalus. Astragalus can be used in the process of application as a tea substitute, usually in water, and can also be used in various herbal tonics. Astragalus alone is a Chinese herbal medicine, the effect of lowering blood pressure is very small, if in the process of dietary therapy, usually in the diet can take some high fiber content of food, such as celery, and some high VC content of food, can also play a certain role in lowering blood pressure.