Body temperature usually refers to the armpit temperature, one year and eight months old baby with DPT vaccine body temperature 37 degrees ℃ is normal, it is recommended that the DPT vaccine needs to be observed for 30 minutes before leaving, and the baby will have redness, swelling, pain and other adverse reactions after vaccination. General normal human armpit temperature range in 36 ~ 37 ℃, so one year and eight months old baby has had a DPT vaccine body temperature in 37 ℃ belongs to the normal range. It is recommended that one-year-old eight-month-old babies need to be observed at the vaccination site for 30 minutes before leaving to prevent allergic reactions. In addition, some babies may experience redness, swelling, pain at the injection site, and fever and other adverse reactions after receiving DPT vaccine, which will usually disappear 1~3 days after vaccination. It is recommended to keep the injection site clean and dry and avoid touching water to avoid infection after the vaccination for babies aged one year and eight months. In addition, avoid bathing your child within 24 hours after the vaccination.