In addition, in order to prevent the recurrence of spontaneous abortion, we should not only know how long to rest after spontaneous abortion, but also pay attention to finding the reasons and do a good job of prevention. Emotional stability, regular (sexual) life, eat more spicy food, eat more high-protein things, and consciously eat some fruits and vegetables. It is very important to check after spontaneous abortion. After 3-5 days of menstruation, endocrine and anti-embryonic antibodies are checked by electrochemiluminescence method. After 3-5 days of clean menstruation, some patients can be diagnosed by dynamic digital hysterosalpingography combined with colposcopy and four-dimensional color Doppler ultrasound, and some patients need to undergo uterine dilation test and hysteroscopy or laparoscopy.