Eating a small amount of sauerkraut in late pregnancy generally does not cause contractions. Sauerkraut is a pickled product with low nutritional value and nitrites, and consuming too much of it over a long period of time or at one time may lead to discomfort in late pregnancy, so it is not recommended for women to consume it. The late pregnancy pregnant women will have physiological contractions, physiological contractions will appear in the lower abdomen tightness, sometimes there will be lower abdomen hard feeling, this feeling is transient, the duration is very short. Physiological contractions are a physiological phenomenon in the middle and late stages of pregnancy and do not require special treatment. However, if the contractions persist, with a gradual increase in duration and a gradual decrease in intervals, accompanied by abdominal pain, vaginal bleeding and other symptoms are a precursor to labor, they should be seen promptly. Pregnant women should eat more food rich in protein during pregnancy, such as eggs, lean pork, soy products, milk and so on. It is also necessary to properly supplement shrimp, fish, pork liver, oats, walnuts, peanuts and other foods, eat more fresh vegetables and fruits, to ensure that the intake of food nutritionally balanced, to avoid a single nutrition. Pregnant women during pregnancy should pay attention to do a good job of prenatal checkups, actively listen to the advice of professional doctors to do a good job of comprehensive care and health care, pay attention to rest, at the same time should be relaxed, to avoid nervousness, anxiety, there is any discomfort should be timely to the hospital, by the doctor to clarify the diagnosis, and cooperate with the doctor to deal with the symptoms.