Quadrivalent vaccine generally refers to the quadrivalent HPV vaccine, which prevents HPV types 6, 11, 16 and 18 infections. Quadrivalent HPV vaccine can effectively prevent HPV types 6, 11, 18, and 16 infections, and is applicable to women between the ages of 9 and 45 years old, and requires a total of three vaccinations, which are administered in the 0th, 2nd, and 6th month. After receiving the quadrivalent HPV vaccine, corresponding antibodies will appear in the body, thus reducing the chances of suffering from warts, cervical cancer and other diseases. Before the quadrivalent HPV vaccination, you should do HPV, TCT and other tests, if everything is normal in the examination, then you can be vaccinated; if the results of the examination are abnormal, it is mostly suggestive of the existence of cervical precancerous lesions, which need to be treated in a timely manner, and at this time, it is not significant to vaccinate with the quadrivalent HPV vaccine. For women of the right age, you can go to the hospital to get the quadrivalent HPV vaccine, so as to prevent warts, cervical cancer and other diseases.