If the leukorrhea has a fishy odor without itching, it is mostly due to anaerobic infections. If you are married or have a history of sexual intercourse, in the event that you are sure that you are not pregnant, you can use metronidazole suppositories inserted into the vagina for the appropriate treatment, and most of the clinical symptoms will basically improve significantly in 3 days. If there is no improvement, you need to go to the hospital to rule out the possibility of other diseases. If there is no sexual history of women in this situation, you can use bicuculline lotion sitz bath, oral metronidazole or tinidazole 3 days of time, the symptoms will also be greatly improved. As metronidazole or tinidazole may cause nausea after taking it, it is recommended to take it after meals. If the symptoms do not improve after taking the medication, it is also necessary to go to the hospital for further treatment.