Different types of mycoplasma are transmitted in different ways, such as droplet, mother-to-child and sexual transmission, and the modes of infection are more diverse. Mycoplasma infections in women are mostly of the types of infection such as Mycoplasma humanum, Mycoplasma genitalium and Mycoplasma solium. The infection may be caused by contact with unclean objects, such as toilets, baths, bathing utensils or swimming pools contaminated with mycoplasma, and women who come into contact with these objects are very susceptible to infection because of the special structure of the reproductive area. At the same time, unclean sexual life is also the cause of mycoplasma infection in women, if women do not pay attention to clean private parts before and after sex, or sexual partners have been infected with mycoplasma and do not pay attention to protection, and often change sexual partners, may cause mycoplasma infection. In addition, some trauma can also lead to mycoplasma infection, mycoplasma is widely distributed in the natural environment, if some parts of a woman’s body are injured, the environment of mycoplasma can enter the body through the mucous membrane or small wounds on the skin, resulting in infection, so women should be timely disinfection of body trauma, and pay attention to keep the environment clean. The causes of mycoplasma infection in women are mostly contact with unclean objects or not paying attention to the safety of sexual life and trauma infection, etc. The prevention of mycoplasma infection should be strengthened from these aspects.