1, acetaminophen, is recommended by the World Health Organization as the first choice of antipyretic for infants and children with high fever. Its antipyretic effect is gentle and long-lasting, characterized by good efficacy, few side effects and rapid and complete absorption.

2, ibuprofen, antipyretic fast, effective, and antipyretic duration can be maintained for 6 to 8 hours, side effects are small, you can reduce the number of times the drug. Side effects are relatively small.

3. Aspirin, strong antipyretic effect, but relatively large side effects. Generally small doses of short-term use, or relatively safe. Clinical commonly used lysergic acid aspirin injection, fast effect. However, pediatric aspirin use has been repeatedly reported to cause Reye's syndrome (a serious disease), requiring close attention.

4, Nimesulide, a new non-steroidal anti-inflammatory analgesic drugs, fever-reducing effect relative to ibuprofen is good, but the side effects are relatively large, especially on the liver side effects have been reported.

5. Anti-inflammatory pain, a non-steroidal anti-inflammatory analgesic with strong and long-lasting antipyretic effect, is generally not used due to the high incidence of adverse effects and different degrees of side effects on the liver, kidneys and blood system.