If there are abnormalities in the leukorrhea, it is recommended to go to the hospital for examination. The main methods of examination are as follows: first, smear examination of secretions, which can determine the presence of microorganisms or other bacteria or viruses, and can diagnose the presence of cervicitis and vaginitis. Secondly, vaginal pH measurement is needed to determine the presence of vaginitis by analyzing the pH level of vaginal secretions. Thirdly, clue cell test is an important indicator of vaginal discharge to determine what type of vaginal discharge is present, such as mycosis fungoides and bacterial vaginitis. Fourthly, to check vaginal cleanliness, cervical cytology is needed to determine whether there is abnormal leucorrhea.