Eating scallions will not cause blood pressure to rise. Hypertension is divided into primary hypertension and secondary hypertension, primary hypertension is mainly related to excessive intake of salt and greasy food caused by vascular atherosclerosis, secondary hypertension is related to chronic kidney disease, adrenal disease and diabetes. Hypertensive patients can safely eat onions, onions are rich in vitamins and trace elements, often consumed on the health benefits, onions have a certain role in regulating blood lipids, especially for hypertension accompanied by elevated blood lipids have a certain role in improving. Although onions have many of the above benefits, but after all, it is food, so the role of regulating blood lipids is relatively limited, if elevated blood lipids or oral hypolipidemic drugs, such as simvastatin. From the Chinese medicine point of view onion belongs to the pungent food, long-term use will lead to increased heat in the body, for people with dietary preferences or hot sweating people are not recommended to consume too much.