4 categories of people should not eat natto is no scientific basis, general natto is not suitable for high uric acid patients, allergy people eat. People with high uric acid are mostly seen in hyperuricemia and gout patients themselves, due to their own purine metabolism disorder, the body’s uric acid content is relatively high, and natto belongs to the high-purine food, if you eat it will easily lead to aggravation of the condition or induce an acute attack of the condition. In addition, natto is rich in protein, some people are allergic to high-protein foods, if you eat natto will easily trigger allergic symptoms, resulting in skin rashes, itching, nausea, vomiting and other symptoms. In addition to the unsuitable crowd, you can eat some natto in moderation on a daily basis, which is beneficial to the body, and contains more dietary fiber, which helps to promote intestinal peristalsis.