There are many causes of adnexitis, such as lack of hygiene during menstruation and untimely treatment of sexually transmitted diseases. The causes of adnexitis are inflammation of the fallopian tubes, ovaries and surrounding tissues, and are generally divided into two categories: acute adnexitis and chronic adnexitis. The causes of adnexitis are the following: lack of hygiene during menstruation, especially during intercourse, or hot springs or swimming during menstruation, leading to bacterial infection. Impure sex life or sexually transmitted diseases that are not treated in time or are not treated thoroughly leading to bacterial infections. Inflammatory disease not treated before abortion or other uterine operations, or aseptic operation during the operation, or failure to prevent infection after the operation, and sexual intercourse within one month after the operation, etc. leading to bacterial upstream infection. Inflammation of adjacent organs, such as appendicitis, can also induce adnexitis. In short, adnexitis is associated with lack of hygiene during menstruation, intercourse during menstruation, unclean sex life, lack of timely treatment of sexually transmitted diseases, post-abortion, lack of timely treatment of gynecological vaginitis, etc., leading to bacterial infection.