Vulvovaginal itchy leukorrhea with yellowish and odorless leukorrhea may usually be related to vulvovaginitis, vulvar leukoplakia, acute endometritis and other diseases. 1. Vulvovaginitis: refers to trichomonas vaginitis or atrophic vaginitis, which is caused by Trichomonas vaginalis infection, female vaginal atrophy leading to invasion of pathogens, etc. Due to the inflammatory reaction of the vulva and the vagina, the patient will have more than just itching of the vulva, increase in the vaginal secretions, yellowish color of the symptoms and the secretions usually have no peculiar smell. 2. Vulvar leukoplakia: dampness, unhygienic environment of vulva, trauma and infection can cause vulvar leukoplakia, the main symptoms of which are high recurrence of vulvar itching, yellowish leukorrhea without odor, and irregular pigmentation of vulvar skin. 3. Acute endometritis: it is mostly seen in patients with endometrial damage after cesarean section, abortion and other gynecological surgeries, which causes external pathogens and bacteria to invade the endometrial wound. Due to the inflammatory reaction of the endometrium, patients will have increased leukorrhea, yellow or reddish in color, as well as occasional vulvar itching, which will be accompanied by other complications such as lower abdominal pain and fever. There are many causes of vulvovaginal itchy leukorrhea yellow and odorless, it is recommended that patients with symptoms go to the gynecology department of a regular hospital in a timely manner, do not diagnose the condition on your own in order to avoid delaying the best time for treatment.