A 7-month-old baby with a fever of 40 degrees Celsius can go to the emergency room of the toddler to see a doctor. With a temperature of 40 degrees, you need to call 120 in time during the process of going to the hospital and give your baby ibuprofen under the guidance of the doctor to reduce the fever first. At the same time to give the baby more water. You can also cooperate with physical cooling to reduce fever. 7 months of the baby fever 40 degrees to the emergency department can see pediatric emergency. However, in terms of the current epidemic prevention and control, babies with fever symptoms should first go to the fever clinic for consultation. The baby fever should be given antipyretic drugs to reduce fever in a timely manner, the body temperature exceeds 38.5 ℃ should be promptly reduced fever. At the same time, you can go to the routine blood test, to clarify the factors of infection.