People with high blood pressure try to eat sauerkraut as little as possible so that they can avoid consuming too much salt, because once people with high blood pressure often consume too much salt, it may lead to further aggravation of blood pressure. Of course an occasional meal of sauerkraut or an occasional meal with more salt will not have much effect on blood pressure, but a long-term high salt diet is not good for hypertension. Sauerkraut is a pickled food, try not to eat long-term, long-term eating sauerkraut may induce esophageal diseases, such as esophageal cancer, stomach cancer or digestive system tumors, because the content of nitrite in sauerkraut is very high, nitrite is harmful to the body, may induce tumor diseases. The salt content in sauerkraut is relatively high because more salt is put in the process of pickling.