6 months baby body temperature reaches axillary 38.5 ℃ can take ibuprofen, because ibuprofen belongs to the non-steroidal anti-inflammatory drugs, can play a good effect of antipyretic. 6 months baby will often be in the cold or other people cross-infection after the fever, which causes poor mental state, milk, poor appetite and other symptoms. At this time should be applied to children antipyretic, if the body temperature does not exceed 38.5 ℃ axillary can be physical cooling-based, such as the application of antipyretic patches. If the body temperature reaches 38.5 ℃ under the armpit, the mental state is often poor and there is crying and restlessness, etc., the application of ibuprofen antipyretic.