Vaginal redness and itching during ovulation may be caused by vaginal pseudo-saccharomyces vaginitis, bacterial vaginitis, trichomonas vaginitis and other diseases, which can be treated with oral medication, topical medication and general treatment. 1. Pseudomonas vaginalis: can be manifested as vulvar itching, accompanied by an increase in leukorrhea, curd-like or tofu dregs; can be taken orally itraconazole with clotrimazole pessary vaginal drug treatment. 2. Bacterial vaginitis: there can be vulvar itching, leukorrhea thick and thin, mostly grayish white, with fishy smell; you can take oral levofloxacin capsules, metronidazole and other drugs to treat. 3. Trichomonas vaginitis: manifested as vulvar itching, thin, yellow or yellow-green foamy leukorrhea, odor, may be accompanied by burning sensation, pain during sexual intercourse and other symptoms; you can take oral metronidazole tablets, together with metronidazole vaginal effervescent tablets to treat. General treatment includes the need to pay attention to personal hygiene, change underwear, avoid spicy stimulating food, the disease is not recovered before coitus. The above drugs need to be used under the guidance of a physician.