Redness, swelling and bleeding of women’s vulvar lips may be caused by vulvar inflammation, sexually transmitted diseases, vulvar tumor and so on, if it is caused by sexually transmitted diseases and vulvar tumor, then the possibility of cancer is higher. 1. Vulvar inflammation: this is due to local inflammation caused by infection and other factors, under the stimulation of inflammation, the vulvar mucosa will be red and swollen, and when it is rubbed, it will show bleeding, etc. When the inflammation subsides, the symptom will get better, and the possibility of cancerous transformation is relatively small. 2. Sexually transmitted diseases: when the vulva is infected by HPV virus, it will lead to local skin abnormality, which will be manifested as redness, swelling and bleeding. At this time, if the HPV virus belongs to the high-risk type, and there are warts in the local area, the possibility of cancerous transformation will be relatively large. 3. Vulvar tumor: when there are abnormal hyperplasia, vulvar cysts and other tumors in the vulva, the local cells will have abnormal changes, which will be manifested as redness, swelling and bleeding of the lips of the vulva, and the chances of cancerous transformation are also relatively high at this time. If women have red, swollen and bleeding vulvar lips, it is recommended to go to the hospital in time and take standardized methods under the guidance of the doctor to deal with the situation and promote the alleviation of the condition.