For a 9-month-old baby, if the body temperature is 37.5 degrees, this is not considered a fever, this temperature is the critical value, the general body temperature of infants is slightly higher than the body temperature of adults, the temperature between 36.2 degrees – 37.5 degrees is the normal range. At this time, the main thing is to see whether the baby has other symptoms, including crying or drowsiness, or other poor mental health, or whether there are accompanied by watery eyes and other phenomena, if the temperature continues to rise, and also accompanied by other symptoms, basically the symptoms of fever. In this case, you should also observe the situation, real-time measurement, if the fever appears, you can carry out physical cooling or go to the hospital for treatment.