A child’s armpit temperature of 38 degrees is considered a fever. A child’s normal armpit temperature is no more than 37.3 degrees, and with accurate measurements, when the armpit temperature is 38 degrees, it can be considered a fever and should be treated accordingly. Axillary temperature is a commonly used clinical temperature indicator, its normal range is between 36 and 37 degrees, too low or too high are abnormal, suggesting the possibility of disease. Generally speaking, if the armpit temperature exceeds 37.3 degrees, fever can be considered. So a child with an axillary temperature of 38 degrees can be considered to have a fever. Parents measured the child’s armpit temperature of 38 degrees, it is recommended to go to the hospital in a timely manner, symptomatic antipyretic treatment at the same time, but also need to clarify the cause of the disease, for the cause of active treatment, so as not to delay the condition.