The cervix is funnel shaped and can last for several weeks without giving birth needs to be judged according to how well the contractions are controlled in the later stages of pregnancy. If the amniotic sac is not protruding from the uterine cavity, the contractions can be suppressed by rest, medication or surgery and can be maintained for a longer period of time. The cervical opening is funnel-shaped, i.e., it is found that the inner cervix has opened up and the cervical canal has shortened into a funnel shape during the ultrasound. There is no amniotic sac protruding from the uterine cavity, and the gestational period can be prolonged as much as possible by absolute bed rest, application of drugs that inhibit uterine contraction, such as magnesium sulfate, and suturing the cervical canal. In general, as long as there is no water breakage and contractions are also suppressed, labor can be maintained as long as possible. Pregnant women with a funnel-shaped cervix are advised to seek timely medical attention, improve relevant examinations and standardize treatment. If any abnormalities occur, consult your doctor promptly. In addition, the drug may cause certain side effect symptoms, should be used under the guidance of the doctor, do not blindly use drugs.