Female odor heavy fishy smell is usually caused by anaerobic bacteria, metronidazole drugs are the most sensitive. Need to clearly diagnose whether accompanied by trichomonas, vulvovaginal pseudomycetes, mycoplasma chlamydia infection. 1. Bacterial inflammation: fishy odor may be caused by anaerobic bacteria, preferred metronidazole treatment. Accompanied by bacterial infection can be added to the cephalosporin drugs or levofloxacin drug therapy. Metronidazole drugs may have gastrointestinal side effects, allergic to metronidazole is prohibited. Cephalosporins may cause allergic phenomenon, need skin test. Levofloxacin may cause gastrointestinal symptoms. 2. Bacterial vaginitis with or without trichomonas: If bacterial vaginitis is coupled with trichomonas vaginitis, the drug of choice is also metronidazole. 3. Vulvovaginal pseudohyphae: it needs to be treated with fluconazole, which has gastrointestinal side effects, and should be used with caution in patients with liver and kidney insufficiency. 4. mycoplasma chlamydia infection: if mycoplasma infection may also appear odor, usually recommended to do sensitive drug culture test, the use of sensitive antibiotics. Therefore, women’s odor heavy fishy smell must go to the hospital after a clear diagnosis, under the guidance of the doctor’s medication, you can not use their own drugs.