Sudden absence of fetal heartbeat at 6 months needs to be induced and cleared as soon as possible. There is no remedy for the sudden absence of fetal heartbeat at 6 months, and you should prepare for induction of labor to clear the uterus as soon as possible after the obstetric ultrasound confirms the absence of fetal heartbeat in fetal arrest. Fetal arrest can be caused by a variety of reasons, such as chromosomal abnormalities and structural malformations of the fetal macrosomal organs. This type of embryonic arrest is irreversible and requires intervention as soon as possible after diagnosis. Once found mid-pregnancy fetal arrest can only be as early as possible to accept induction of labor, otherwise the longer you wait, the dead fetus, placenta and amniotic fluid on the mother’s body will be more and more significant, will cause maternal coagulation dysfunction, but also for induction of uterus clearance surgery to bring difficulty, is not conducive to the next preparation for pregnancy. Women should eat more food rich in protein, eat more fresh vegetables and fruits, to ensure that the intake of food nutritional balance, to avoid single nutrition. During the next pregnancy preparation period, both husband and wife should go to the hospital for a pre-pregnancy eugenic health checkup to assess whether their bodies are suitable for pregnancy. Avoid prolonged exposure to environments that are radioactive or polluted, and get out of toxic and harmful work environments.