HPV bivalent vaccine is a vaccine for cervical cancer. HPV bivalent vaccine was launched in 2016, targeting high-risk HPV infection of HPV types 16 and 18, which can prevent cervical cancer caused by HPV types 16 and 18. HPV vaccine also has quadrivalent vaccine and nine-valent vaccine. quadrivalent vaccine was launched in 2018, targeting four types of HPV infection of HPV types 6, 11, 16 and 18, which can prevent cervical cancer caused by HPV types 16 and 18. The nine-valent vaccine for HPV is available in 2019 and targets the nine types of HPV infection: type 6, 11, 16, 18, 31, 33, 45, 52 and 58. The preferred injection site is the deltoid muscle of the upper arm.