Pediatric fever can choose anal drugs, commonly used anal drugs include pediatric antipyretic suppository, its main ingredient is ibuprofen. Relatively speaking, anal drugs are absorbed quickly, the effect of fever reduction is rapid, and the application of children is also more convenient. In addition, although anal medication has some damage to the intestinal mucosa, but the impact on the child’s diet is relatively small, the child has less nausea, anorexia, so it is a better way to treat pediatric fever medication. However, anal medication should also be careful to avoid repeated application for many times, so as not to cause the situation of rectal mucous membrane damage, and even the occurrence of bleeding. After the application of anal antipyretic suppository, if the body temperature still does not fall, further examination and comprehensive treatment is needed, including physical hypothermia and oral drug therapy and causative therapy, avoiding simple anal medication.