A hard tummy in late pregnancy without pain is usually considered to be the occurrence of pseudocontractions. In late pregnancy, due to the increase of contractin receptors in the uterus, it leads to increased sensitivity of the uterus and the slightest stimulation as well as movement, etc. can produce pseudo contractions and make the stomach hard. However, as long as they do not cause pain, the contractions are generally considered to be mild and will not cause preterm labor or cervical canal changes. Pregnant women do not need to be nervous, they can rest properly, count the fetal movements at home, do regular maternity checkups and have ultrasound at the right time. However, it is also necessary to prevent some pathological conditions, if the pregnant woman’s stomach is hard and persistent, it is necessary to do timely examination to exclude diseases, such as uterine inflammation or placental abruption.