Late pregnancy 40 weeks secretion of brown sticky gelatinous material, may be a sign of labor, pregnant women are advised to seek medical attention in time for delivery. Late pregnancy 40 weeks indicates that the due date has been reached, pregnant women appear brown sticky gelatinous material, is the cervical region of the mucus plug shedding after the formation. The expulsion of this substance indicates that the cervical opening may have dilated in preparation for the birth of the baby and is a sign that labor is imminent. During this period, pregnant women should pay attention to observation to see if there is the phenomenon of redness, usually between 24-48 hours after the redness, there will be regular contractions. It is recommended that the pregnant woman should seek medical attention in time to wait for the delivery, after the doctor to pay attention to monitoring the changes in fetal heartbeat and amniotic fluid, and pay attention to checking the changes in the pregnant woman’s blood pressure, and be ready for the delivery at any time. It is recommended that pregnant women try to pay attention to rest before delivery, avoid overwork to prevent weakness during labor, and also pay attention to vulvar hygiene, so as not to cause intrauterine infection.