The symptoms of green leucorrhoea in women are considered to be caused by inflammatory vaginal infections, as follows: 1. Clinically, trichomonas vaginalis is characterized by green leucorrhoea and snot-like leucorrhoea, and the leucorrhoea has a very serious odor, accompanied by vulvar itching. Once the diagnosis of trichomoniasis is confirmed, metronidazole can be used to treat the condition, and when the symptoms are not serious, metronidazole can be applied vaginally. If the symptoms of vaginitis are serious, in addition to the vaginal application, oral metronidazole is also required. 2. It may be caused by bacterial vaginitis, which can be detected by routine leucorrhoea tests, such as bacterial vaginitis, and can be treated vaginally with tinidazole suppositories and clindamycin cream. In conclusion, there are many clinical causes of greenish leucorrhea, so it is advisable to go to the hospital for treatment after the relevant examination.