After children have taken Merrill, most of them can slowly get rid of fever in about 40 minutes. Because Merrill’s ingredient is ibuprofen, ibuprofen belongs to the non-steroidal antipyretic and analgesic drugs, the action of the pharmacology is through the inhibition of the synthesis of the body prostaglandins, so that children’s central nervous system of the brain’s thermoregulation point downward, the thermoregulation point downward after the body heat dissipation will be greater than the heat production, the most important way to dissipate the heat through the body’s sweat. After taking Merrill Lynch, most of the children will start to sweat slowly at about 40 minutes, and with the appearance of sweat, the heat in the body will be slowly reduced with sweating, and the children’s body temperature will slowly return to normal.