HPV, also known as human papillomavirus, can be divided into high-risk and low-risk types, and the persistent infection of high-risk HPV is the most important factor contributing to the occurrence of cervical cancer. there are many symptoms of HPV infection, such as itching and discharge from vulva, etc. 1. Incubation period: Because HPV virus can incubate for 3 weeks-8 months, generally about 3 months on average, and is mostly seen in sexually active young and middle-aged men and women, with the peak age of incidence being 20-25 years old. However, he is mostly asymptomatic during the incubation period. 2, the initial symptoms of HPV virus attack: HPV virus patients at the beginning of the attack, there will be small light red papules on the vulva, and then gradually grow, and the surface will show uneven soft papilla-like lesions, some cauliflower-shaped. The surface of the papule is mostly moist because the secretion will increase after HPV, and the secretion can be gray, dirty gray or red. 3, HPV episodes late symptoms: episodes late patient external surface can have vesicular ooze, and there will be itching accompanying symptoms, and even secondary bacterial infection, purulent secretions, odor and pain. Because there are no obvious symptoms after the initial HPV infection, so if you want to confirm the diagnosis, it is recommended to go to the hospital to do a TCT or HPV test.