Whether men or women, eating sauerkraut in moderation for a long period of time is good for the body, but eating large quantities of sauerkraut for a long period of time is harmful to the body. Sauerkraut is one of China’s folk food, is made from cabbage and other green vegetables through a period of fermentation, its taste is crisp, salty and sour, containing plant dietary fiber, minerals and other nutrients. Eating sauerkraut in moderation can replenish the nutrients needed by the body for both men and women. However, sauerkraut is a kind of pickled food, containing more nitrites, and nitrites are a kind of carcinogenic and harmful substances, long-term eating large quantities of sauerkraut may have certain harmful effects on the body. In addition, sauerkraut rotted and spoiled or pickled imperfectly, a large number of consumption will also increase the risk of cancer. It is recommended that daily consumption of sauerkraut must be in moderation, to avoid long-term overconsumption of harmful effects on the body.