The leucorrhea has a little fishy smell is not normal. Normal leucorrhea is egg-white like or white paste, and the amount is small and odorless. The leucorrhea secreted from the cervix during ovulation is very thin and transparent, with a drawing degree of up to 10cm or more. The leucorrhea has a fishy smell for the following reasons: 1. bacterial vaginosis: the secretion is homogeneous and thin, white with a fishy smell. 2. oxybacterium vaginitis: the secretion is characterized by thin, purulent, yellow or yellow-green, sometimes foamy and odorous, but not fishy. It is advisable to test the white belt routine and prescribe the right medicine. For women who have sex, you can vaginally plug the medicine, and for women who do not have sex, you can take it orally plus local vulva cleaning to achieve the purpose of treatment.