Immunotherapy for embryonic arrest is useful for fetal arrest caused by immune infertility. However, it is not significantly helpful for other causes of fetal arrest. Immunotherapy is a treatment that can play a role in immune regulation, so it is useful for treating women with fetal arrest induced by immune factors. However, there is generally no significant therapeutic effect on other causes of fetal arrest. In addition to immune factors, the causes of fetal arrest include genetic factors, infectious factors, anatomical factors and endocrine factors, etc. Infertility due to these causes needs to be treated according to the specific cause of the disease. In addition, for women, in order to avoid the recurrence of fetal arrest, it is recommended that it is necessary to go to a regular hospital to receive systematic examination, the need to find the causes of fetal arrest, according to the cause of the treatment.