It is generally not recommended to get the 9-valent vaccine after getting the 2-valent. The 2-valent or 9-valent vaccine is a cervical cancer vaccine, which is effective in preventing cervical cancer. 2-valent vaccine only prevents HPV types 16 and 18. 9-valent vaccine is more comprehensive, covering 90% of HPV types 6, 11, 16, 18, 31, 33, 45, 52, and 58, which are the most common types of HPV. The 9-valent vaccine is more comprehensive, preventing a total of 9 viruses of types 6, 11, 16, 18, 31, 33, 45, 52 and 58, covering more than 90% of cervical cancers. It is generally not recommended to continue with the 9-valent vaccine after receiving the 2-valent vaccine. After vaccination, it is necessary to pay attention to proper rest, avoid exertion and strenuous exercise, and eat a light diet. Some women may experience local redness, swelling, hardness and pain after vaccination, which can be gradually recovered in 1-2 weeks.