Trichomoniasis is considered cured when the symptoms disappear after using medication and three laboratory tests are negative for trichomoniasis. If trichomonas vaginitis simply use the medicine for seven days can not have intercourse, because so far do not know whether the trichomonas has been cured, intercourse may be transmitted to the sexual partner. According to the scientific method of treatment, the clinical test must be negative three times can have intercourse, in order not to infect the sexual partner. It is recommended that after trichomoniasis is cured, all previously worn underwear should be thrown away and replaced with new underwear, and attention should be paid to sexual and menstrual hygiene in daily life.