The first dietary principle of hypertension is low salt, low fat, to avoid excessive nutritional intake, so can help high blood pressure food are the following: 1, celery, celery has the role of lowering blood pressure as well as protecting blood vessels. 2, onions, onions can prevent the formation of blood clots by lowering cholesterol in the body, but also have the effect of lowering blood pressure. 3, kelp, kelp is mainly through the avoidance of fat in the arterial walls of the deposition and 4, rooibos tea, rooibos tea for high blood lipids, hypertension have a good effect, but also to enhance physical fitness, improve body immunity. But you need to pay attention to not only eat a certain food in order to lower blood pressure, the diet needs to be balanced with nutrition. In addition to diet, it is also important to maintain a regular lifestyle habits.