More than three months of the baby temperature 37 ℃ is not low fever, is the normal body temperature. Normal body temperature is generally 36 ~ 37 ℃, such as just an individual once the body temperature reaches 37.4 ℃, the general condition is good, and there is no self-conscious symptoms, is not morbid. 37.5 ~ 38 ℃ for low fever, 38.1 ~ 38.9 ℃ for moderate fever, 39 ~ 41 ℃ for high fever, ≥ 41 ℃ for ultra-high fever. Pediatric body temperature center is not well developed, body temperature can be affected by a variety of factors, such as gender, age, race; can be due to day and night and seasonal fluctuations, low in the early morning, slightly higher in the afternoon, slightly higher in the summer; breastfeeding, after meals, exercise, crying, over-thickness of clothing and blankets, too high a room temperature, and emotional fluctuations and so on can be made slightly higher body temperature. So more than 3 months of the baby’s body temperature 37 ℃ in the normal range, not low fever. Parents are advised to keep a good mood and avoid being too nervous. You can observe your baby’s condition more often and measure the temperature regularly, if the temperature rises, accompanied by coughing, spitting up, diarrhea and so on, then you need to seek medical treatment.