The pain in the stomach when walking in the fifth month of pregnancy should be viewed in conjunction with the severity of the symptoms and whether it is accompanied by other abnormalities. Usually, the uterus expands rapidly in the middle of pregnancy, which will form a certain pressure on the pelvis, abdomen and other locations, coupled with a certain contraction of the uterus when walking, walking in the fifth month of pregnancy with a slight pain in the stomach is normal. Pay attention to rest, avoid excessive fatigue and long time fast walking, running can, at the same time pay attention to maintain a happy mood, avoid excessive emotional ups and downs induced uterine contractions, increase the chance of preterm labor. However, if the stomach pain is more serious, you need to consider whether the pain is caused by gastrointestinal diseases. It is recommended to rest in bed and observe whether the symptoms are relieved, if not, go to the gastroenterology department of the hospital for examination and treatment. If the pain is not only accompanied by stomach cramps, but also other symptoms such as amniotic fluid discharge and vaginal bleeding, you need to consider whether it is a sign of premature rupture of membranes or preterm labor. You need to go to the hospital for ultrasound examination of the uterus, and if necessary, follow the doctor’s instruction to preserve the fetus or take other corresponding measures.