The symptoms of belly button pain in pregnant women, due to different weeks of pregnancy, caused by different reasons, according to the cause to take appropriate measures to deal with. 1, gastroenteritis: due to the early pregnancy hormone level changes, resulting in early pregnancy reaction, so that pregnant women gastrointestinal digestive disorders, or due to improper diet led to pregnant women gastroenteritis, followed by belly button pain. At this time, pregnant women should pay attention to adjust the diet structure, eat light, easy-to-digest food, and eat less spicy and stimulating, cold, greasy food. At the same time, pay attention to appropriate exercise to promote the recovery of gastrointestinal function and reduce discomfort; 2, uterine pressure: in the middle of pregnancy, pregnant women feel pain in the navel, may be due to the increase of the uterus pressure on the navel fossa, or support the ligament of the uterus upward lifting, resulting in symptoms of pain in the navel, is a normal physiological phenomenon, pregnant women do not need to worry too much, can be bed rest, appropriate massage, etc., to relieve the symptoms of pain in the navel; 3, contractions: in late pregnancy, pregnant women should pay attention to adjust the diet structure, eat light, digestive food, less spicy and stimulating, cold, oily food. 3, contractions: In late pregnancy, if a pregnant woman experiences pain in the navel, accompanied by tightness and hardness of the stomach, it may be caused by uterine contractions. At this time, pregnant women should be prepared for delivery items, as soon as possible to the hospital to monitor the fetal heart, such as less than 34 weeks of compliance with medical advice to apply magnesium sulfate, nifedipine for fetal preservation treatment; such as contractions can not be suppressed, should be timely delivery to ensure the safety of the mother and child; 4, belly button inflammation: belly button is easy to deposit dirt, not timely cleaning caused by bacterial infection, may cause inflammation, resulting in redness and swelling or pain. Saline can be used for cleaning, and if the infection is serious, anti-inflammatory treatment can be applied under the guidance of a doctor.