If female friends are infected with mycoplasma, there are many hazards (1). Ureaplasma urealyticum is closely related to female infertility. (2) Ureaplasma urealyticum infection can cause genitourinary tract infection, and it is considered as the most important pathogen in nongonococcal urethritis, which is second only to chlamydia (50%). 3) lead to, not only endanger the health of the mother, but also endanger the survival of the fetus. According to clinical observation, once infected with Ureaplasma urealyticum, it is easy to have serious consequences such as abortion, low birth weight infants, neonatal respiratory tract infection, central nervous system infection, fetal death and so on.