In the seventh month of pregnancy, the most common reason for a little pain in the belly button is that the fetus grows, the uterus also grows, and the belly is held tighter, resulting in muscle and ligament tension and causing pain, which is a physiological manifestation and does not require special treatment. The pain around the belly button can also be caused by cold, eating cold food and indigestion. During this period, you should pay attention to observation and differentiation, pay attention to warmth and avoid stomach pain caused by cold, which may seriously cause uterine contractions and increase the chance of preterm delivery.