A small cervix is not beneficial and may cause some harm to the body because the cervix refers to the size of the opening of the uterus. If the cervix is small, it may be the result of cervical dysplasia or a lack of progesterone or estrogen in the body. If the cervix is small, it may cause dysmenorrhea due to obstacles in discharging menstrual blood. It may also affect women’s pregnancy and even childbirth, such as difficulty in dilating the opening of the uterus during labor leading to a difficult delivery or resulting in a woman’s chances of becoming pregnant become smaller, usually low menstrual flow, frequent menstrual cramps and other symptoms, it is recommended that the patient should go to the hospital in time to check if the hormone secretion is normal, so as to avoid certain hazards to the future life. It is also necessary to determine whether the result is due to congenital or acquired factors. If the cervix is small in size due to acquired factors, it can be treated surgically in the hospital and restored to health under the guidance of the doctor.