Women have a small amount of clear, milky white discharge from the vagina since puberty, and as they grow older, the vaginal outflow gradually increases, and this fluid is called leukorrhea. When suffering from certain gynecological diseases, the amount and nature of leucorrhea will change. Blood in the leucorrhea is an inflammatory symptom of leucorrhea abnormalities, which is a signal of female internal genital diseases and should be taken seriously. The diagnosis can be confirmed by routine leucorrhea examination. Blood in the leukorrhea is an inflammatory manifestation of leukorrhea, which is a sign of female internal genital diseases and should be taken seriously. Routine examination of leukorrhea can confirm the diagnosis. Cervical cancer, endometrial cancer, cervical polyp or submucosal fibroid should be considered. The placement of intrauterine device can also cause bloody leucorrhea. As well as cervical erosion, endometritis and other diseases may cause it. Examination of purulent leucorrhea Leucorrhea with pus and blood in the leucorrhea. Perform tests such as routine leukorrhea examination, cervical examination, and vaginal examination. Differential diagnosis of purulent leucorrhea 1.Colorless and transparent sticky leucorrhea: egg white like, similar in nature to the mucus secreted by the cervical glands during ovulation, but the amount of secretion is significantly increased compared to usual, and the possibility of chronic endocervicitis, ovarian dysfunction, vaginal adenopathy or highly differentiated adenocarcinoma of the cervix should generally be considered. 2. White or grayish-yellow foamy leucorrhea: characteristic of trichomonas vaginalis and may be accompanied by vulvar itching. 3.Curdled leucorrhea: characteristic of Candida vaginitis, often accompanied by severe vulvar itching or burning pain.