Condoms are an effective contraceptive tool, more commonly used in sexual intercourse, can also reduce the incidence of sexually transmitted diseases, belong to a high safety factor of contraception, if used reasonably, rarely have an impact on women. Of course, some women long-term use of condoms, especially unqualified condoms, may lead to allergies, inflammation, cervical damage hazards. 1, allergies: because most condoms are rubber products, some women may be more sensitive to rubber, in the condom of a long time stimulation, may appear vulva, vaginal itching, rash, redness and other allergic symptoms; 2, inflammation: condoms in order to ensure a certain Lubrication effect, the external coating of a large amount of grease, long-term use may make the vagina breeding bacteria, leading to vaginal inflammation; 3, cervical damage: long-term use of condoms, especially substandard, poor quality condoms, sexual life may cause cervical damage. Women are recommended to use condoms during sexual intercourse when they do not have a need to get pregnant, which can better protect themselves. Pay attention to the use of condoms from regular manufacturers and reasonable and standardized use to reduce the adverse effects of condoms on women.