After entering the labor process, the opening of the uterine mouth can be promoted through appropriate activities, stimulation of the nipples, intravenous injection of hysterotonin, and release of the water bag to compress the cervix. 1. Appropriate activities: Walking around in between contractions can promote the descent of the fetal head, press the cervix, and cause the opening of the uterus to dilate. 2. Nipple stimulation: rubbing the nipples with both hands can enhance contractions, release endogenous hysteronin and stimulate dilatation of the uterine opening. 3. Intravenous Hysteronin: If the contractions are weak, you can use intravenous Hysteronin to stimulate uterine contractions and dilate the uterine opening. 4. Release the water bag to press the cervix: After entering the labor, the doctor will be based on the descent of the fetal head and the fetal heart, can release the water bag to press the cervix to cause dilatation of the uterine opening. In addition, it is recommended that after entering the labor process, according to the individual situation, the doctor should give the appropriate method to stimulate the opening of the uterine mouth.