Vaginal yellow water has a fishy smell according to the cause of treatment: first, may be the emergence of bacterial vaginitis, you can take metronidazole drugs for treatment, but also can be given intravaginally, the use of metronidazole suppositories can help alleviate the inflammatory response to reduce the smell of the vagina and other symptoms; second, there may be trichomoniasis or mycosis vaginalis lead to the use of clotrimazole ointment for treatment, but also need to Third, if there are other gynecological diseases, such as pelvic inflammatory disease, cervicitis or malignant neoplastic diseases, need to be treated according to the cause, it is best to go to the hospital for routine examination of the leukorrhea, and then take targeted medications, oncological diseases after the emergence of the proposal to take timely surgical treatment, and at the same time need to cooperate with the radiotherapy and chemotherapy.