The main ingredient is acetaminophen or ibuprofen, which is used more often by children because they have a fever and don’t want to eat, so the fever suppositories are inserted inside the anus, which is more effective. The effect of rectal administration is faster than that of oral antipyretics, because rectal administration, after absorption through the rectal plexus, directly enters the body circulation to play a role, unlike oral antipyretics, part of which has to go through the destruction of the gastrointestinal tract, and part of which has to go through the first pass effect of the liver, so rectal administration works fast, but not as long as the fever, it is recommended to use this drug, more than 38.5 ℃ The first thing to do is to consider using it, but below 38.5 ℃ can be completely physical cooling.