Cayenne pepper is a food that can neither lower nor raise blood pressure, but eating chili peppers can lead to sympathetic nerve excitation, which reflexively causes a transient increase in blood pressure. The rise and fall of blood pressure and whether to eat chili pepper is not related, the fluctuation of blood pressure and the patient’s family genetic factors, the usual eating habits and whether obesity, etc. have a close relationship. However, eating too much chili pepper stimulates the gastrointestinal tract, easily causing heartburn, stomach pain and other gastric symptoms, in addition, because it can make the blood pressure rise transiently, too spicy chili pepper will have multiple effects on the human body, so it is not recommended that people with severe high blood pressure or frequent fluctuations in blood pressure consume too much chili pepper. Currently, the main dietary factors that are thought to affect blood pressure are excessive salt intake and excessive alcohol consumption. So if the patient has high blood pressure, need to pay attention to adjust the diet structure, such as low-salt low-fat diet, eat less fat meat, animal offal, increase dietary fiber, eat fresh vegetables every day, moderate increase in exercise, and if necessary, under the guidance of the doctor to take medication for treatment.