Body temperature of 36.3 ℃ is not considered low fever, belongs to the normal body temperature, body temperature is divided into the following five cases: First, 36-37.3 ℃ belongs to the normal body temperature. Second, 37.3-38 ℃ belongs to low fever. Third, 38-39 ℃ is a moderate fever. Fourth, 39-41 ℃ is high fever. Fifth, greater than 41 ℃ is ultra-high fever, we should consult the doctor in time to prevent the occurrence of febrile convulsions. The body temperature will be slightly higher after exercise, food intake, and in the afternoon, if there is no other discomfort you can continue to observe.