Xin Pu Bei Sheng catalyze labor to take effect quickly, usually within 30 minutes after the release of the effect, but there will be individual differences. Xin Pu Bei Sheng refers to the dinoprostenol suppository, applicable to cervical score ≤ 6 points of full-term pregnancy with the indication of labor induction, before the use of cephalopelvic disproportion, uterine surgery history, can be fetal distress and other contraindications, must be used under the supervision of a health care professional. It generally takes effect within 30 minutes of vaginal placement, but there are individual differences and a few insensitive individuals may remain without a significant response. Adverse reactions such as nausea, vomiting, and diarrhea may occur after placing the suppository. It is contraindicated in those who are allergic to the drug, and should be used with caution in pregnant women with comorbid glaucoma and asthma. Fetal heart rate and contractions should be closely monitored after vaginal placement. When there is a prolonged contraction or contraction is too strong, rupture of membranes, etc. should be removed immediately, and continue to monitor the fetal heart changes, if necessary, need to surgically terminate the pregnancy.