The need for hospitalization depends on the condition of the pregnant woman. If there is no symptom of miscarriage or the symptoms of miscarriage are relatively mild generally do not need to be hospitalized, if the pregnant woman has serious symptoms, such as placental abruption or placenta praevia bleeding, paroxysmal pain is more serious, need to be hospitalized in a timely manner to observe, treatment and preservation of the fetus. In the process of fetal preservation, pregnant women must pay attention to appropriate bed rest, avoid exertion, do not have sex, diet should be regular light, pay attention to balanced nutrition, relaxation, but also should be diligent change of underwear, wash the vulva, to avoid infection. In addition, it is recommended that pregnant women with signs of preterm labor go to a regular hospital in a timely manner, and follow the doctor’s instructions for treatment to avoid delays.