Pregnant women in late pregnancy for obstetric examination, ultrasound will often report the amniotic fluid can be seen in the floating fine light spots, these floating fine light spots are mostly the fetal body surface of the fetal fat, hair shedding and discharged feces. 1, fetal fat, hair: in general, if the fetal body shedding of the fetal fat, hair, etc. caused by the turbidity of amniotic fluid, this case belongs to the normal physiological reaction, do not need special treatment; 2, feces : floating spots of light in the amniotic fluid can be due to the fetus in the amniotic fluid defecation, caused by amniotic fluid turbidity, this situation may be fetal hypoxia caused by intrauterine distress, to do fetal heart rate monitoring closely follow up the fetal heart condition. If fetal heart rate monitoring shows intrauterine distress, the pregnancy should be terminated promptly and a cesarean section should be performed if necessary. The presence of fine light spots floating in the amniotic fluid does not confirm the presence of a disease, so pregnant women do not need to worry too much. At this time, it is generally recommended to carry out regular obstetric examination, closely observe the changes in amniotic fluid and the growth and development of the fetus. Usually need to pay attention to rest, maintain a good state of mind, develop a good life, diet and living habits, is conducive to the healthy growth of the fetus and the health of pregnant women.