The normal condition of leucorrhea is thin, transparent, odorless, and a small amount is normal. If the leucorrhea is milky white and has a fishy smell, it suggests vaginal inflammation, and trichomoniasis will show a very obvious fishy smell. It is best to go to the hospital to have the discharge tested, if not, the fishy smell suggests trichomonas infection, treatment is gynecological cleansing or red nucleus lotion wash, metronidazole pessary or tinidazole pessary for external use, oral gynecology such drugs. There are also very few people who have malignant tumors, which can have a big odor. If you’ve got an abnormal white belt, you must go to the hospital to do a routine of secretion to see if it is caused by inflammation or malignant tumor, and you must do the appropriate examination.