You can choose between bivalent and quadrivalent HPV vaccines at age 34, and it is better to choose the quadrivalent vaccine. When female patients at the age of 34 get the HPV vaccine, they can usually choose either bivalent or quadrivalent, as the 9-valent HPV vaccine is suitable for women between the ages of 16 and 26. Quadrivalent HPV vaccine can mainly prevent HPV16/18/6/11, and is applicable to women aged 9 to 45 years old, and the immunization program is about zero, two and six months. The bivalent HPV vaccine mainly protects against HPV16 as well as HPV18 types, and is applicable to women aged 9 to 45 years old, with an immunization schedule of approximately zero, one and six months. After the injection, patients may experience some adverse reactions, such as redness, swelling and pain at the vaccination site, dizziness and nausea, vomiting, fever and fatigue, and localized soreness.