Since puberty, women’s underwear is no longer clean, although there is generally little odor, but always wet and will not be comfortable, which is the ovaries after the development of hormonal influence, commonly known as leucorrhea. This is a normal physiological change and does not require special treatment. But some women will have abnormalities in the leucorrhea, such as blood, odor, thin foam-like changes, tofu-like changes, etc. are manifestations of inflammation of the reproductive tract, and married women generally have a greater chance of being infected than non-sexual women. Especially if the male partner does not pay attention to personal hygiene, or foreskin is too long, do not pay attention to cleaning before intercourse, etc., will increase the chances of female genital infection. If a woman suffers from genital inflammation, intercourse may be infectious to the line partner, but also due to sex leads to retrograde infection, from cervicitis leads to pelvic inflammatory, etc., aggravate their own condition, between treatment, but also pay attention to avoid sex as far as possible. Even if you use a condom, inflammatory molecules, bacteria and other substances can penetrate the condom and infect your partner. Therefore, women who have abnormal leucorrhea need to visit a hospital in time to clarify their condition and identify the cause in order to treat the symptoms. In normal daily life, we should pay attention to personal hygiene, pay attention to keep the vulva clean, avoid having sex during menstruation, etc. Men with long foreskin should also undergo surgery as soon as possible to avoid a series of gynecological diseases caused by bacterial infection under the foreskin.