The normal leucorrhea will not be cyan, the normal leucorrhea is transparent or milky white. It is advisable to go to the hospital for a routine leucorrhoea examination to see if there is any inflammation. The leucorrhoea that is cyan may be caused by trichomoniasis or bacterial vaginitis. If you have abnormal leucorrhea but no odor, you can observe if you have vulvar itching, frequent urination, urinary urgency, painful urination and other uncomfortable symptoms. Vaginitis is a disease that is prone to recurrence. If necessary, couples can be treated at the same time, and they should not have sex or eat a stimulating or spicy diet during the treatment period.