The flu vaccine is suitable for most susceptible people and is usually available for healthy babies over 6 months of age, so it is not too early for an 8-month-old baby to be vaccinated against the flu without any physical abnormalities. Influenza vaccine belongs to the second category of vaccines, which is usually paid by citizens and voluntarily vaccinated. In the fall and winter influenza season, or the high incidence of influenza in the region, 8 months of the baby flu vaccination is still very necessary. 6 months to 35 months of the baby, it is recommended that the vaccination time can be before the end of October each year, divided into 2 shots, so that the vaccine play better, 36 months or more than the baby, once a year can be vaccinated. In addition, need to pay attention to the baby in a good state before vaccination, such as the baby in the vaccine before the emergence of cold symptoms, such as nasal congestion, cough, runny nose, etc., or due to the cold caused by diarrhea, fever, etc., or the skin appeared to be small pimples, eczema, and other allergic changes, it is not recommended to vaccination, it is best to wait for the baby to recover before vaccination. If immediate vaccination is needed due to other special circumstances, it is recommended to go to a professional institution and decide whether or not to vaccinate under the guidance of a professional pediatrician. In addition, a common reaction after vaccination is pain at the point of inoculation. 8-month-old babies may cry loudly to prevent loss of water and hoarseness of the baby’s voice, and it is recommended that the baby be comforted to stop crying by coaxing and hugging him in time and be observed at the point of inoculation for 30 minutes. Many parents think that after the flu vaccine, the baby will not get the flu illusion, this cognition is wrong, it is recommended that even if the end of the vaccination, usually have to do a good job of warmth and defense measures.