Daily fetal movement is normal in almost seven months of pregnancy. Fetal movement is the physical activity of the fetus. Pregnant women are often aware of fetal movement around the 20th week of pregnancy. Fetal movement with the continuous development of the fetus and gradually enhance, to the 32nd to 34th week reached the peak, 38 weeks after the fetal movement gradually reduced. Fetal movement is generally more active at night and in the afternoon, and often disappears when the fetus sleeps, lasting for about 20-40 min. 28 weeks of gestation, the number of fetal movements ≥ 10 times / 2 hours is normal. After 28 weeks of gestation, the number of fetal movements ≥ 10 times / 2 hours is normal. Generally, after 28 weeks, pregnant women can count the fetal movements themselves, and the continuous activity of the fetus or more than 1 hour is regarded as a fetal movement. When the fetal movement is weakened or strengthened may mean the occurrence of fetal hypoxia, general hypoxia early frequent fetal movement, and then weakened or even disappeared. If frequent fetal movement occurs for a long time, the cause should be identified in a regular hospital.