The tightness and hardness of pregnant women’s bellies are mostly caused by uterine contractions, including pseudo contractions and real contractions, which can be initially judged according to the different feelings of the patients. If the tightness and hardness is more frequent, it is recommended to consult a doctor in time.1. Pseudo contractions: If a pregnant woman’s belly is simply hard and tight, without other accompanying discomfort, it can be considered as pseudo contractions, characterized by irregularity, short duration and transient performance, which is a normal physiological reaction. Generally do not need too much intervention, pregnant women daily pay attention to rest, avoid overwork, pay attention to warmth or through appropriate massage, change the sitting position, sleeping position, etc. can effectively relieve discomfort; 2, true contractions: if the abdomen tightens and hardens in late pregnancy, it is likely to be about to labor, with the contraction of the uterus fetus gradually move down, pregnant women will have pain, at the same time can be accompanied by red, water breaking and other manifestations, should be prepared for delivery items, ready to go to the hospital. You should prepare for delivery and go to the hospital immediately to prepare for delivery.