Fetal vascular ring compression of the trachea will not disappear, vascular ring is the developmental abnormality of the fetal primitive arterial arch system, can cause compression symptoms, will affect the respiratory system of newborn babies, and need to be actively treated. Vascular ring is the developmental abnormality of the primitive arterial arch system, the aortic arch and the surrounding blood vessels formed like a ring-like structure, the trachea and esophagus will be compressed, usually will not disappear by itself, the fetus will be born with the symptoms of compression, respiratory difficulties, shortness of breath and other symptoms, need to be actively operated on to remove the symptoms of compression of the vascular ring. If the fetal vascular ring compresses the trachea, it is necessary to carry out regular checkups to evaluate the overall condition, and then carry out active treatment according to the specific situation after the birth of the fetus.