Excessive consumption of sauerkraut is likely to adversely affect high blood pressure. Sauerkraut is a common food made by pickling fresh vegetables and can be consumed by the general population. However, sauerkraut usually contains more sodium, which is not good for blood pressure control in hypertensive patients, and it is recommended to control the amount of consumption. In addition, sauerkraut contains nitrite, which is carcinogenic, so excessive consumption of sauerkraut is not good for health. The diet of hypertensive patients should be low in salt and fat, eat more fresh vegetables and fruits, lean meat, fish, etc., avoid tobacco and alcohol stimulation, moderate exercise to control weight. Pay attention to monitoring blood pressure in life, if the blood pressure fluctuation is large need to consult a doctor in time to adjust the antihypertensive treatment program. Patients with high blood pressure should follow the doctor’s advice to adjust their diet and go to the hospital for regular checkups.