Twin fetus 30 weeks should pay attention to increase nutrition, appropriate rest, self-test fetal movement and on-time delivery and so on. 1. Increase nutrition: twin pregnancy is a high-risk pregnancy, when the pregnancy 30 weeks need to be under the guidance of the doctor to supplement adequate nutrition, eat more food containing high protein, vitamins and essential fatty acids, such as meat, eggs, dairy products and fresh vegetables and fruits, etc., but also under the guidance of the doctor to supplement the calcium supplements and iron supplements with indications. 2. Appropriate rest: the focus of the monitoring of twin-fetus is to prevent preterm labor, twin-fetus pregnant women in late pregnancy should pay attention to appropriate rest, appropriate to increase the daily bed rest time, appropriate to reduce the amount of activity, when there is irregular abdominal pain and other symptoms of preterm labor, you need to follow the doctor’s advice to give the inhibition of contraction therapy. 3. Self-measurement of fetal movement: also under the guidance of the doctor for fetal movement counting, normal ≥ 10 times / 2 hours, when there is a decrease in fetal movement, frequent fetal movement after the reduction or disappearance of the need to go to the hospital in a timely manner. 4. Timely obstetric examination: in early pregnancy should determine the dual fetal membranous, and strengthen the management of pregnancy. Dual chorionicity twins should be monitored by ultrasound every 4 weeks for fetal growth, and single chorionicity twins should be monitored by ultrasound every 2 weeks for fetal development, and timely detection of whether there are any special complications.