Twin fetuses with double chorionic villi and double amniotic sacs refers to twin pregnancies with double chorionic villi and double amniotic sacs, which are more dangerous throughout the entire pregnancy, especially in the middle and late stages, after 28 weeks, and need to be taken seriously. Dual chorionic villi, dual amniotic sacs, and twin fetuses refer to fetuses separated by a double layer of amniotic membrane and a double layer of chorionic villi, which means that each of the two fetuses is in its own amniotic sac. Although the fetuses are relatively safe, the possibility of miscarriage and preterm labor is increased due to twin pregnancies. Pregnant women should be careful throughout their pregnancy when they have a twin pregnancy. Twin pregnancies are high-risk pregnancies, and are prone to miscarriage and other complications in the early stages of pregnancy. In the middle and late stages of pregnancy, due to the heavier burden on the pregnant woman’s heart, she is more likely to experience complications such as heart failure and high blood pressure, and after the 28th week, when the size of the fetus has increased, preterm labor is also likely to occur. Since twin-fetus twin-chorion twin-goat pregnancy is a high-risk pregnancy, it is necessary to appropriately shorten the duration of the obstetric examination. It is recommended that pregnant women with twin twin chorionic twin goat fetuses should undergo a 2-3 week checkup to keep abreast of the growth and development of the fetus, and once an abnormality is detected, the cause of the problem should be clarified and treated under the guidance of the doctor.