Fever suppositories are commonly used mainly for acetaminophen or ibuprofen, which are suitable for infants over 6 months of age and children with fever because the gastrointestinal function of children is not particularly good. To avoid the formation of intestinal irritation after premature use of fever suppositories for children, which may lead to diarrhea; it may even lead to dysbiosis of gastrointestinal flora after using fever suppositories, thus causing abnormal intestinal function and forming a kind of chronic diarrhea, which is also detrimental to the growth of children, so it is recommended that fever suppositories should only be used for children over 6 months of age. At the same time, it is important to know that the body temperature for the application of antipyretic suppositories is the same as the body temperature of the oral medication, the body temperature of less than 38.5 ℃ in principle should not be treated with antipyretic suppositories, to drink water and wipe with warm water and other forms of physical cooling to reduce fever, more than 38.5 ℃ temperature before the application of antipyretic suppositories.